001 IP 111
101
11111 11 111 11 1
1 11 1 11 1111 1 1 1 11 1 11 1 11
11
1111 111
1 11
11 1 11
1
11 1 1 111 1
11
Addressing
and Subnetting Workbook Version 2.0
Instructor’s Edition
10010101 00011011
11010011
10000110
IP Address Classes Class A
1 – 127
(Network 127 is reserved for loopback and internal testing) 00000000.00000000.00000000.00000000 Leading bi bit pa pattern 0 Network .
Class
12! – 1"1
Leading bit pattern
1"2 – 22#
Leading bit pattern
Host .
Host
10 110
11000000.00000000.00000000.00000000
Network .
Class C
Host .
10000000.00000000.00000000.00000000
Network .
Network .
Network .
Class $
22% – 2#"
(&eserved for 'lticast)
Class
2%0 – 2**
(&eserved for e+peri'ental, sed for researc-)
Host.
Network .
Host
Host
Priate Address S!ace Class A
10.0.0.0 to 10.2**.2**.2**
Class
172.1.0.0 to 172.#1.2**.2**
Class C
1"2.1!.0.0 to to 1" 1"2.1!.2**.2**
"e#ault Subnet $asks Class A Class
2**.0.0.0 2**.2**.0.0
Class C
2**.2**.2**.0
/rodced b &obb ones 3onesr4careertec-.net 3onesr4careert ec-.net and5or &obert.ones4fcps.org &obert.ones4fcps.org 6rederick Cont Career 8ec-nolog Center Cisco Networking Acade' 6rederick Cont /blic 9c-ools 6rederick, :arland, ;9A 9pecial 8-anks to :elvin aker and i' $orscfor taking t-e ti'e to c-eck t-is workbook for errors, and to everone w-o -as sent in sggestions to i'prove t-e series.
Workbooks included in t%e series& Addressing and 9bnetting =orkbooks ACLs > Access Lists =orkbooks =orkbooks ?L9: ?ariable>Lengt?ariable>Lengt- 9bnet :ask =orkbooks
'inar( )o "eci*al Conersion +2, -
/2
+-
,
2
+
Answers
1
0
0
1
0
0
1
0
146
0
1
1
1
0
1
1
1
119
1
1
1
1
1
1
1
1
255 197
1 1
1 1
0 1
0 1
0 0
1 1
0 1
1 0
0
0
0
1
0
0
1
1
19
1
0
0
0
0
0
0
1
129
0
0
1
1
0
0
0
1
49
0
1
1
1
1
0
0
0
120
1
1
1
1
0
0
0
0
240
0
0
1
1
1
0
1
1
59
0
0
0
0
0
1
1
1
7
00011011
27
10101010
Scratc% Area 128 16 2 146
64 32 16 4 2 1 119
246
170
01101111
111
11111000
248
00100000
32
01010101
85
00111110
62
00000011
3
11101101
237
11000000
192
1
"eci*al )o 'inar( Conersion ;se all ! bits for eac- proble'
+2, - 1
1
/2 1
0
0
1
+0 0
, 1 0
1 0
2
+ 211
1
0
1
0
2#! 2#! #%
0 1 1 1 1 0 1 1 12# 0 0 1 1 0 0 1 0 *0 2** 1 1 1 1 1 1 1 1 1 1 0 0 1 0 0 0 200 0 0 0 0 1 0 1 0 10 1 0 0 0 1 0 1 0 1#! 1 0 0 0 0 0 0 0 1 1# 0 0 0 0 1 1 0 1 2*0 1 1 1 1 1 0 1 0 2*0 107 0 1 1 0 1 0 1 1 1 1 1 0 0 0 0 0 22% 0 1 1 1 0 0 1 0 11% 1 1 0 0 0 0 0 0 1"2 1 0 1 0 1 1 0 0 172 0 1 1 0 0 1 0 0 100 11" 0 1 1 1 0 1 1 1 *7 0 0 1 1 1 0 0 1 0 1 1 0 0 0 1 0 "! 17" 1 0 1 1 0 0 1 1 2 0 0 0 0 0 0 1 0
2
Scratc% Area 238 -128 110 -64 46 -32 14 -8 6 -4 2 -2 0
34 -32 2 -2 0
Address Class Identi#ication Address
Class
10.2*0.1.1
A
1*0.10.1*.0
1"2.1%.2.0
1%!.17.".1
1"#.%2.1.1
12.!.1*.0
220.200.2#.1
2#0.2#0.%*.*!
177.100.1!.%
11".1!.%*.0
2%".2%0.!0.7!
1"".1**.77.*
117.!".*.%*
21*.%*.%*.0
1"".200.1*.0
"*.0.21."0
##.0.0.0
1*!."!.!0.0
21".21.*.0
B C B C A C D B A E C A C C A A B C
#
Network Host Identi#ication Circle t-e network portion of t-ese addresses
Circle t-e -ost portion of t-ese addresses
177.100.1!.%
10.1*.12#.*0
11".1!.%*.0
171.2.1"".#1
20".2%0.!0.7!
1"!.12*.!7.177
1"".1**.77.*
22#.2*0.200.222
117.!".*.%*
17.%*.222.%*
21*.%*.%*.0
12.201.*%.2#1
1"2.200.1*.0
1"1.%1.#*.112
"*.0.21."0
1**.2*.1".227
##.0.0.0
1"2.1*.1**.2
1*!."!.!0.0
12#.102.%*.2*%
217.21.*.0
1%!.17.".1**
10.2*0.1.1
100.2*.1.1
1*0.10.1*.0
1"*.0.21."!
1"2.1%.2.0
2*.2*0.1#*.%
1%!.17.".1
171.102.77.77
1"#.%2.1.1
**.2*0.*.*
12.!.1*.0
21!.1**.2#0.1%
220.200.2#.1
10.2*0.1.1
%
Network Addresses ;sing t-e address and sbnet 'ask s-own write ot t-e network address
1!!.10.1!.2 2**.2**.0.0 10.10.%!.!0 2**.2**.2**.0 1"2.1%".2%.1"1 2**.2**.2**.0 1*0.20#.2#.1" 2**.2**.0.0 10.10.10.10 2**.0.0.0 1!.1#.2#.110 2**.2**.2**.0 22#.".2#0.2*0 2**.2**.0.0 200.120.1#*.1* 2**.2**.2**.0 27.12*.200.1*1 2**.0.0.0 1"".20.1*0.#* 2**.2**.2**.0 1"1.**.1*.1#* 2**.2**.2**.0 2!.212.2*0.2*% 2**.2**.0.0
188 . 10 . 0 . 0 10 . 10 . 48 . 0 192 . 149 . 24 . 0 150 . 203 . 0 . 0 10 . 0 . 0 . 0 186 . 13 . 23 . 0 223 . 69 . 0 . 0 200 . 120 . 135 . 0 27 . 0 . 0 . 0 199 . 20 . 150 . 0 191 . 55 . 165 . 0 28 . 212 . 0 . 0
*
Host Addresses ;sing t-e address and sbnet 'ask s-own write ot t-e -ost address
1!!.10.1!.2 2**.2**.0.0 10.10.%!.!0 2**.2**.2**.0 222.%".%".11 2**.2**.2**.0 12!.2#.2#0.1" 2**.2**.0.0 10.10.10.10 2**.0.0.0 200.11#.12#.11 2**.2**.2**.0 22#.1".2#.20 2**.2**.0.0 20#.20.#*.21* 2**.2**.2**.0 117.1*.2.*1 2**.0.0.0 1"".120.1*.1#* 2**.2**.2**.0 1"1.**.1*.1#* 2**.2**.2**.0 %!.21.2*.*% 2**.2**.0.0
0 . 0 . 18 . 2 0 . 0 . 0 . 80 0 . 0 . 0 . 11 0 . 0 . 230 . 19 0 . 10 . 10 . 10 0 . 0 . 0 . 11 0 . 0 . 23 . 20 0 . 0 . 0 . 215 0 . 15 . 2 . 51 0 . 0 . 0 . 135 0 . 0 . 0 . 135 0 . 0 . 25 . 54
"e#ault Subnet $asks =rite t-e correct defalt sbnet 'ask for eac- of t-e following a ddresses
177.100.1!.% 11".1!.%*.0 1"1.2%".2#%.1"1 22#.2#.22#.10" 10.10.2*0.1 12.12#.2#.1 22#.".2#0.2*0 1"2.12.#*.10* 77.2*1.200.*1 1!".210.*0.1 !!.%*.*.#* 12!.212.2*0.2*% 1"#.100.77.!# 12*.12*.2*0.1 1.1.10.*0 220."0.1#0.%* 1#%.12*.#%." "*.2*0."1.""
255 . 255 . 0 . 0 255 . 0 . 0 . 0 255 . 255 . 0 . 0 255 . 255 . 255 . 0 255 . 0 . 0 . 0 255 . 0 . 0 . 0 255 . 255 . 255 . 0 255 . 255 . 255 . 0 255 . 0 . 0 . 0 255 . 255 . 0 . 0 255 . 0 . 0 . 0 255 . 255 . 0 . 0 255 . 255 . 255 . 0 255 . 0 . 0 . 0 255 . 0 . 0 . 0 255 . 255 . 255 . 0 255 . 255 . 0 . 0 255 . 0 . 0 . 0 7
AN"IN3 Wit% "e#ault subnet *asks ver address 'st be acco'panied b a sbnet 'ask. now o s-old be able to look at an address and tell w-at class it is. ;nfortnatel or co'pter doesnDt t-ink t-at wa. 6or or co'pter to deter'ine t-e network and sbnet portion of an address it 'st EAN$F t-e address wit- t-e sbnet 'ask. "e#ault Subnet $asks& Class A 2**.0.0.0 Class 2**.2**.0.0 Class C 2**.2**.2**.0 AN"IN3 E4uations& 1 AN$ 1 G 1 1 AN$ 0 G 0 0 AN$ 1 G 0 0 AN$ 0 G 0 Sa*!le&
=-at o see... Address
1"2 . 100 . 10 . ##
=-at o can figre ot in or -ead... Address Class Network /ortion Host /ortion
C +52 . +00 . +0
. ## 1"2 . 100 . 10 . //
Host
Address 1 1 0 0 0 0 0 0 . 0 1 1 0 0 1 0 0 . 0 0 0 0 1 0 1 0 . 0 0 1 0 0 0 0 1 $efalt 9bnet :ask 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0
AN$ 1 1 0 0 0 0 0 0 . 0 1 1 0 0 1 0 0 . 0 0 0 0 1 0 1 0 . 0 0 0 0 0 0 0 0
(1"2 . 100 . 10 . ##) (2** . 2** . 2** . 0) (1"2 . 100 . 10 . 0)
AN$
!
AN"IN3 Wit% Custo* subnet *asks =-en o take a single network sc- as 1"2.100.10.0 and divide it into 1 s'aller networks (1"2.100.10.1, 1"2.100.10.#2, 1"2.100.10.%!, 1"2.100.10.%, 1"2.100.10.!0) t-e otside world still sees t-e network as 1"2.100.10.0, bt t-e internal co'pters and roters see five s'aller sbnetworks. ac- independent of t-e ot-er. 8-is can onl be acco'plis-ed b sing a csto' sbnet 'ask. A csto' sbnet 'ask borrows bits fro' t-e -ost portion of t-e address to create a sbnetwork address between t-e network and -ost portions of an address.
1"2 . 100 . 10 . 0 2**.2**.2**.2%0
1"2.10.10.0 to 1"2.100.10.1* 1"2.100.10.1 to 1"2.100.10.#1 (&ange in t-e sa'ple below) 1"2.100.10.#2 to 1"2.100.10.%7 1"2.100.10.%! to 1"2.100.10.# 1"2.100.10.% to 1"2.100.10.7" 1"2.100.10.!0 to 1"2.100.10."* 1"2.100.10." to 1"2.100.10.11 1"2.100.10.111 1 1"2.100.10.112 to 1"2.100.10.127 1"2.100.10.12! to 1"2.100.10.1%# 1"2.100.10.1%% to 1"2.100.10.1*" 1"2.100.10.10 to 1"2.100.10.17* 1"2.100.10.17 to 1"2.100.10.1"1 1"2.100.10.1"2 to 1"2.100.10.207 1"2.100.10.20! to 1"2.100.10.22# 1"2.100.10.22% to 1"2.100.10.2#" 1"2.100.10.2%0 to 1"2.100.10.2** Sub Network Host
Network
Address 1 1 0 0 0 0 0 0 . 0 1 1 0 0 1 0 0 . 0 0 0 0 1 0 1 0 . 0 0 1 0 0 0 0 1 (1"2 . 100 . 10 . ##) C(sto' 9(bnet :ask 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 0 0 0 0 (2** . 2** . 2** . 2%0)
AN$ 1 1 0 0 0 0 0 0 . 0 1 1 0 0 1 0 0 . 0 0 0 0 1 0 1 0 . 0 0 1 0 0 0 0 0
(1"2 . 100 . 10 . #2)
6or bits borrowed fro' t-e -ost portion of t-e address for t-e csto' sbnet 'ask. 8-e AN$
How to deter*ine t%e nu*ber o# subnets and t%e nu*ber o# %osts !er subnet 8wo for'las can provide t-is basic infor'ation Nu*ber o# subnets 2
s
s (9econd sbnet for'la Nu*ber o# subnets 2 6 2) 2)
% Nu*ber o# %osts !er subnet 2 6 2
ot- for'las calclate t-e n'ber of -osts or sbnets based on t-e n'ber of binar bits sed. 6or e+a'ple if o borrow t-ree bits fro' t-e -ost portion of t-e address se t-e number of subnets for'la to deter'ine t-e total n'ber of sbnets gained b # borrowing t-e t-ree bits. 8-is wold be 2 or 2 + 2 + 2 G ! sbnets 8o deter'ine t-e n'ber of -osts per sbnet o wold take t-e n'ber of binar bits sed in t-e -ost portion and appl t-is to t-e number of hosts per subnet for'la for'la
195. 223 . 50 . 0 0 8-e n('ber of s(bnets created b borrowing 2 2 bits is 2 or 2 + 2 G % sbnets.
0 0 0 0 0 0 8-e n('ber of -osts created b
leaving bits is 2 > 2 or
2 + 2 + 2 + 2 + 2 + 2 G % > 2 G 2
sable -osts per sbnet.
W%at about t%at second subnet #or*ula& s Nu*ber o# subnets 2 6 2
Class C Address unsubnetted& 195. 223 . 50 . 0
195.223.50.0 to
195.223.50.255 Notice t-at t-e sbnet and broadcast addresses 'atc-.
Class C Address subnetted (2 bits borrowed) 195. 223 . 50 . 0 0
0 0 0 0 0 0
#$n%&'! rn(e) #0) 195.223.50.0
to
195.223.50.63
#1) 195.223.50.64 #2) 195.223.50.128 #$n%&'! rn(e) #3) 195.223.50.192
to to to
195.223.50.127 195.223.50.191 195.223.50.255
8-e pri'ar reason t-e t-e Jero and broadcast sbnets were not sed -ad to do pir'aril witt-e broadcast addresses.
8-e CCNA and CCEN) certification e+a's 'a -ave Bestions w-ic- will reBire o to deter'ine w-ic- for'la to se, and w-e-ter or not o can se t-e first and last sbnets. ;se t-e c-art below to -elp decide.
W%en to use w%ic% #or*ula to deter*ine t%e nu*ber o# subnets s ;se t-e 2 6 2 for'la and don’t use t t-e Jero and broadcast ranges if...
s ;se t-e 2 for'la and use t-e Jero and broadcast ranges if...
Classfl roting is sed
Classless roting or ?L9: is sed
& version 1 is sed
& version 2,
8-e no ip subnet zero c co o''and is
8-e ip subnet zero co''and is
configred on or roter
configred on or roter (defalt setting) No ot-er cles are given
otto' line for t-e CCNA e+a's if a Bestion does not give o an cles as to w-et-er or not to allow t-ese two sbnets, ass'e o can se t-e'. s 8-is workbook -as o se t-e n'ber of sbnets G 2 for'la. 11
Custo* Subnet $asks Proble* + N'ber of needed sbnets + N'ber of needed sable -osts + Network Address +52.+0.+0.0 Address class C C $efalt sbnet 'ask 255.255.255.0 255.255.255.0 Csto' sbnet 'ask 255.255.255.240 255.255.255.240 8otal n'ber of sbnets 16 16 8otal n'ber of -ost addresses 16 16 N'ber of sable addresses 14 14 N'ber of bits borrowed 4 S%ow (our work #or Proble* + in t%e s!ace below.
256 128 64
32 16
8
4
2
-
*umber of +osts
-
B'nr %&ues
*umber of ,ubnets - 2 128
4
8
64
32
16 32 16
8
64 128 256 4
2
1
192 . 10 . 10 . 0 0 0 0 0 0 0 0
Add t-e binar vale n'bers to t-e left of t-e line to create t-e csto' sbnet 'ask.
12
128 64 32 16 240
16 -2 14
bserve t-e total n'ber of -osts. 9btract 2 for t-e n'ber of sable -osts.
Custo* Subnet $asks Proble* 2 N'ber of needed sbnets +000 N'ber of needed sable -osts -0 Network Address +-1.+00.0.0 Address class B $efalt sbnet 'ask 255.255.0.0 255.255.0.0 Csto' sbnet 'ask 255.255.255.192 255.255.255.192 8otal n'ber of sbnets 1/024 1/024 8otal n'ber of -ost addresses 64 64 N'ber of sable addresses 62 62 N'ber of bits borrowed 10 10 S%ow (our work #or Proble* 2 in t%e s!ace below.
65/53632/76816/3848/1924/0962/0481/024512 *umber of +osts
. 256 128
-
64 32
16
8
4
2
16/38432/76865/536 *umber of ,ubnets - 2 4
8
16
32
64
B'nr %&ues - 128 64
32
16
8
4
165 . 100 . 0 0 0
128 256 . 2 1.
512102420484/0968/192 128
0 0 0 0 0 . 0
Add t-e binar vale vale n'bers to t-e left of t-e line to create t-e csto' sbnet 'ask.
128 128 64 64 32 192 16 8
4 2 1 255
64
32
16
8
4
2
0 0 0 0 0 0 0
64 -2 62
bserve t-e total n'ber of -osts. 9btract 2 for t-e n'ber of sable -osts.
1#
1
Custo* Subnet $asks Proble* /
82- indic indicates ates t-e total n'ber of bits bi ts s sed ed fo forr tt-e e ne netw twor ork k an and d sbnetwork portion of t-e address. All bits re'aining belong to t-e -ost portion of t-e address.
Network Address +,.71.0.0 82 Address class B
$efalt sbnet 'ask 255.255.0.0 255.255.0.0 Csto' sbnet 'ask 255.255.255.192 255.255.255.192
8otal n'ber of sbnets 1/024 1/024 8otal n'ber of -ost addresses 64 64
N'ber of sable addresses 62 62 N'ber of bits borrowed 10 10
S%ow (our work #or Proble* / in t%e s!ace below. 65/53632/76816/3848/1924/0962/0481/024512 *umber of +osts
. 256 128
-
64 32
16
8
4
2
16/38432/76865/536 *umber of ,ubnets - 2 4
8
16
32
64
B'nr %&ues - 128 64
32
16
8
4
148 . 75 . 0 0 0
0 0 0
Add t-e binar vale vale n'bers to t-e left of t-e line to create t-e csto' sbnet 'ask.
128 64 32 16
2 1.
512102420484/0968/192 128
64
32
16
8
0 0 . 0 0 0 0 0 0 0 0
128 64 192
64 -2 62
8
4 2 1 255
1%
128 256 .
1024 -2 1/022
-osts.Lbserve t-e total n('ber of 9btract 2 for t-e n'ber of sable -osts.
9btract 2 for t-e total n'ber of sbnets to get t-e sable n'ber of sbnets.
4
2
1
Custo* Subnet $asks Proble* N'ber of needed sbnets N'ber of needed sable -osts /0 Network Address +51.,1.,.0
C
Address class
$efalt sbnet 'ask 255.255.255.0 255.255.255.0 Csto' sbnet 'ask 255.255.255.224 255.255.255.224
8otal n'ber of sbnets 8 8 8otal n'ber of -ost addresses 32 32 N'ber of sable addresses 30 30 N'ber of bits borrowed 3 3
S%ow (our work #or Proble* 1 in t%e s!ace below.
256 128 64
32
16
8
4
8 16
32
64
32 16 16
8
4
0
0
4
2
-
*umber of +osts
-
B'nr %&ues
*umber of ,ubnets - 2 128
195 . 85 . 8 . 0
128 64 32 224
0
0 0
32 -2 30
64 128 25 256
8
2
1
0 0
-2 6 1*
Custo* Subnet $asks Proble* 1 N'ber of needed sbnets N'ber of needed sable -osts /0 Network Address 2+0.+00.1-.0
C
Address class
$efalt sbnet 'ask 255.255.255.0 255.255.255.0 Csto' sbnet 'ask 255.255.255.224 255.255.255.224
8otal n'ber of sbnets 8 8 8otal n'ber of -ost addresses 32 32 N'ber of sable addresses 30 30 N'ber of bits borrowed 3 3
S%ow (our work #or Proble* in t%e s!ace below.
256 128 64 32
16
8 4
2
-
*umber of ,ubnets
- 2
4
8 16
32
64 128
128
64
32 16
8
4 2
210 . 10 100 0 . 56 . 0 0 0
1
0 0 0 0 0
128
8
32
64 32 224
-2 6
-2 30
*umber of +osts
256 1
-
B'nr %&ues
Custo* Subnet $asks Proble* N'ber of needed sbnets +2N'ber of needed sable -osts +/+9070 Network Address ++,.0.0.0
A
Address class
$efalt sbnet 'ask 255.0.0.0 Csto' sbnet 'ask 255.254.0.0
8otal n'ber of sbnets 128 128 8otal n'ber of -ost addresses 131/072 131/072 N'ber of sable addresses 131/070 131/070 N'ber of bits borrowed 7 7
S%ow (our work #or Proble* - in t%e s!ace below.
*umber of +osts
4/194/3042/097/1521/048/576524/288262/144131/07265/536 32/76816/3848/1924/0962/0481/024512 .
*umber of
,ubnets - 2 4 8 B'nr %&ues -128 64 32
16 32 16 8
64 128 256 . 4 2 1
65/536 5121/0242/0484/0968/19216/38432/768
. 128 64 32
256 128
64
32
16
8
4
2
131/072262/144524/2881/048/5762/097/1524/194/304
.
16 8 4 2 1
. 128 64 32 16 8 4 2 1
118. 0 0 0 0 0 0 0 0 . 0 0 0 0 0 0 0 0 . 0 0 0 0 0 0 0 0
128 64 32 16 8
128
2
-2
254
126
4
131/072 -2
131/070 17
Custo* Subnet $asks Proble* 7 N'ber of needed sbnets 2000 N'ber of needed sable -osts +1 Network Address +7,.+00.0.0 Address class B $efalt sbnet 'ask 255.255.0.0 255.255.0.0 Csto' sbnet 'ask 255.255.255.224 255.255.255.224
8otal n'ber of sbnets 2/048 8otal n'ber of -ost addresses 32
N'ber of sable addresses 30 30 N'ber of bits borrowed 1 11
S%ow (our work #or Proble* 7 in t%e s!ace below.
65/53632/76816/3848/1924/0962/0481/024512 *umber of +osts
. 256 128
-
64 32
16
8
4
2
16/38432/76865/536 *umber of ,ubnets - 2 4
8
16
32
64
B'nr %&ues - 128 64
32
16
8
4
178 . 100 . 0 0 0 0 0
128 256 . 2 1.
512102420484/0968/192 128
64
0 0 0.
4
1!
2 1 255
16
8
4
2
1
0 0 0 0 0 0 0 0
128 64 32 16 8
32
2/048
32
-2 2/046
-2 30
Custo* Subnet $asks Proble* , N'ber of needed sbnets / N'ber of needed sable -osts 1 Network Address 200.+71.+.0
C
Address class
$efalt sbnet 'ask 255.255.255.0 255.255.255.0 Csto' sbnet 'ask 255.255.255.192 255.255.255.192
8otal n'ber of sbnets 4 4 8otal n'ber of -ost addresses 64 64 N'ber of sable addresses 62 62 N'ber of bits borrowed 2 2
S%ow (our work #or Proble* , in t%e s!ace below.
256 128
64
32
16
8
4
2
*umber of 2
,ubnets 128
200 . 175 . 14 . 0
128 240
4
64 32
0 0
8
16 16
16
0
4 64 -2 2
32
8
0
64 128 4
0
-
*umber of +osts
256 2
1
- B'nr %&ues
0 0
64 -2 62
1"
Custo* Subnet $asks Proble* 5 N'ber of needed sbnets -0 N'ber of needed sable -osts +9000 Network Address +2,.77.0.0
B
Address class
$efalt sbnet 'ask 255.255.0.0 255.255.0.0 Csto' sbnet 'ask 255.255.252.0 255.255.252.0
8otal n'ber of sbnets 64 8otal n'ber of -ost addresses 1/024 N'ber of sable addresses 1/022 N'ber of bits borrowed 6
S%ow (our work #or Proble* 5 in t%e s!ace below.
65/53632/76816/3848/1924/0962/0481/024512 *umber of +osts
. 256 128 64 32 16
-
8
4
2
16/38432/76865/536
*umber of 4
8
16
32
64
B'nr %&ues - 128 64
32
16
8
4
0
0
,ubnets - 2
128 . 77 . 0
0
0
0 0 0 . 0 0 0 0 0 0 0 0
128 64 32 16
64
1/024
4
-2
-2
252
62
1/022
8
20
512102420484/0968/192 128 256 . 2 1 . 128 64 32 16 8 4
2
1
Custo* Subnet $asks Proble* +0 N'ber of needed sable -osts -0 Network Address +5,.+00.+0.0 C Address class 255 . 255 . 255 . 0 $efalt sbnet 'ask 255 . 255 . 255 . 192 Csto' sbnet 'ask 4 8otal n'ber of sbnets 64 8otal n'ber of -ost addresses 62 N'ber of sable addresses 2 N'ber of bits borrowed
S%ow (our work #or Proble* +0 in t%e s!ace below.
256 128
64 32
8
16
4
2
-
*umber of 2
,ubnets 128
198 . 100 . 10 . 0
4
64 32
0 0
8
16 16
16
0
32
64 128
8
4
0
0
*umber of +osts
256 2
0
128 64
64 -2
4 -2
192
62
2
1
- B'nr %&ues
0
21
Custo* Subnet $asks Proble* ++ N'ber of needed sbnets 210 Network Address +0+.0.0.0 A Address class 255 . 0 . 0 . 0 $efalt sbnet 'ask 255 . 255 . 0 . 0 Csto' sbnet 'ask 256 8otal n'ber of sbnets 65/536 8otal n'ber of -ost addresses 65/534 N'ber of sable addresses 8 N'ber of bits borrowed
S%ow (our work #or #o r Proble* ++ in t%e s!ace below.
4/194/3042/097/1521/048/576524/288262/144131/07265/536
*umber of +osts
32/76816/3848/1924/0962/0481/024512 .
65/536
256 128
64
32
- 2
4
8
16 32
64 128 256
B'nr %&ues
-128
64
32
16 8
4 2 1
5121/0242/0484/0968/ 19216/38432/768
.
.
. 128 64 32 16 8 4 2 1 . 128 64 32 16 8 4 2 1
101. 0 0 0 0 0 0 0 0 . 0 0 0 0 0 0 0 0 . 0 0 0 0 0 0 0 0
128 64 32 16 8 4
256
65/536
1 255
-2 254
-2 65/534
2
22
8
131/072262/144524/2881/048/5762/097/1524/194/304
*umber of ,ubnets
16
4
2
Custo* Subnet $asks Proble* +2 N'ber of needed sbnets 1 Network Address 2+,./1.10.0 C Address class 255 . 255 . 255 . 0 $efalt sbnet 'ask 255 . 255 . 255 . 224 Csto' sbnet 'ask 8 8otal n'ber of sbnets 32 8otal n'ber of -ost addresses 30 N'ber of sable addresses 3 N'ber of bits borrowed
S%ow (our work #or Proble* +2 in t%e s!ace below.
256 128 64
32
16
16 16
32
8
4
2
*umber of 2
,ubnets 128
218 . 35 . 50 . 0
128 64 32 224
4
8
64
32
0
16
0 0
64 -2 62
8
0
64 128 4
*umber of +osts
256 2
0
-
1
- B'nr %&ues
0 0
4 -2 2 2#
Custo* Subnet $asks Proble* +/ N'ber of needed sable -osts 21 Network Address 2+,./1.10.0 C Address class 255 . 255 . 255 . 0 $efalt sbnet 'ask 255 . 255 . 255 . 224 Csto' sbnet 'ask 8 8otal n'ber of sbnets 32 8otal n'ber of -ost addresses 30 N'ber of sable addresses 3 N'ber of bits borrowed
S%ow (our work #or Proble* +/ in t%e s!ace below.
256 128 64
32
16
16 16
32
8
4
2
*umber of 2
,ubnets 128
218 . 35 . 50 . 0
128 64 3 2 224 2%
4
8
64
32
0
16
0 0
8 -2 6
8
0
64 128 4
-
*umber of +osts
256
2
1
0 0
0
32 -2 30
- B'nr %&ues
Custo* Subnet $asks Proble* + N'ber of needed sbnets +0 Network Address +72.15.0.0 B Address class 255 . 255 . 0 . 0 $efalt sbnet 'ask 255 . 255 . 240 . 0 Csto' sbnet 'ask 16 8otal n'ber of sbnets 4/096 8otal n'ber of -ost addresses 4/094 N'ber of sable addresses 4 N'ber of bits borrowed
S%ow (our work #or Proble* + in t%e s!ace below. 65/53632/76816/3848/1924/0962/0481/024
512
*umber of +osts
. 256 128 64 32 16
-
8
4
2
16/38432/76865/536
*umber of 8
16
32
64
B'nr %&ues - 128 64
32
16
8
4
172 . 59 . 0
0
0
,ubnets - 2
4
0
0
0
128 256 . 2
0
1.
0.
512102420484/0968/192 128
64
32
16
8
4
0
0
0
0
0
0
128 64
16
4/096
16 240
-2 14
-2 4/094
32
2
0
2*
1
0
Custo* Subnet $asks Proble* +1 N'ber of needed sable -osts 10 Network Address +72.15.0.0 B Address class 255 . 255 . 0 . 0 $efalt sbnet 'ask 255 . 255 . 255 . 192 Csto' sbnet 'ask 1/024 8otal n'ber of sbnets 64 8otal n'ber of -ost addresses 62 N'ber of sable addresses 10 N'ber of bits borrowed
S%ow (our work #or Proble* +1 in t%e s!ace below. 65/53632/76816/3848/1924/0962/0481/024512 *umber of +osts
. 256 128
-
64 32
16
8
4
2
16/38432/76865/536 *umber of ,ubnets - 2 4
8
16
32
64
B'nr %&ues - 128 64
32
16
8
4
128 256 . 2 1.
512102420484/0968/192 128
64
32
172 . 59 . 0 0 0 0 0 0 0 0 .
2
128 64 192
8
4
2
1
0 0 0 0 0 0 0 0
128 64 32 16 8 4 2 1 255
16
64
1/024
-2 62
-2 1/022
Custo* Subnet $asks Proble* +N'ber of needed sable -osts 25 Network Address 2/.0.0.0 A Address class 255 . 0 . 0 . 0 $efalt sbnet 'ask 255 . 255 . 255 . 224 Csto' sbnet 'ask 524/288 8otal n'ber of sbnets 32 8otal n'ber of -ost addresses 30 N'ber of sable addresses 19 N'ber of bits borrowed
S%ow (our work #or Proble* +- in t%e s!ace below. 4/194/3042/097/1521/048/576524/288262/144131/07265/536
*umber of +osts
32/76816/3848/1924/0962/0481/024512 .
-
256 128
64
32
16
8
4
65/536 131/072262/144524/2881/048/5762/097/1524/194/304 *umber of ,ubnets
- 2
4
8
16 32
64 128 256
B'nr %&ues
-128
64
32
16 8
4 2 1
5121/0242/0484/0968/19 216/38432/768
.
.
. 128 64 32 16 8 4 2 1
. 128 64 32 16 8 4 2 1
. 0 0 0 0 0 0 0 0 . 0 0 0 0 0 0 0 0
23 . 0 0 0 0 0 0 0 0
128 64 3 2 224
32 -2 30
524/288 -2 524/286
27
2
Subnetting Proble* + N'ber of needed sbnets + N'ber of needed sable -osts + Network Address +52.+0.+0.0 Address class C C $efalt sbnet 'ask 255.255.255.0 255.255.255.0 Csto' sbnet 'ask 255.255.255.240 255.255.255.240 8otal n'ber of sbnets 16 16 8otal n'ber of -ost addresses 16 16 N'ber of sable addresses 14 14 N'ber of bits borrowed 4
=-at is t-e %tsbnet rangeK 192.10.10.48to192.10.10.63
=-at is t-e sbnet n'ber for t-e !t- sbnetK 192.10.10.112 192.10.10.112 =-at is t-e sbnet broadcast address for t-e 1#t- sbnetK 192.10.10.207 192.10.10.207 =-at are t-e assignable addresses for t-e "tsbnetK 192.10.10.129to192.10.10.142 192.10.10.129to192.10.10.142
2!
S%ow (our work #or Proble* + in t%e s!ace below. 256 128 64
32
16
8
4
2 -
*umber of 2
,ubnets 128
4
16 16
64 128 4
2
192. 10 . 10 . 0 0 0 0 0
0
0
#2 ) #3 ) #4 ) #5 ) #6 ) #7)) #7 #8)) #8 #9)) #9 #10) #1 0) #11) #1 1) #12) #1 2) #13)) #13 #14) #1 4) #15)) #15 #16) #1 6)
C(sto' s(bnet
'ask
0 0 0 0 0 0 0 1 0 1 1 0 1 0 1 0 1 0 1 1 1 1 1 1 1 1
128 64 32 16 240
0
32 16 16
3 2 8
#1 )
64
8
0 0
*umber of +osts
256 1 -
B'nr %&ues
0
192.10.10.0
to
0 0 1 192.10.10.16 to 0 1 0 192.10.10.32 to 0 1 1 192.10.10.48 to 1 0 0 192.10.10.64 to 1 0 1 192.10.10.80 to 1 0 192 192..10 10.1 .10. 0.96 96 to 192 92.1 .10. 0.10 10.1 .11 11 1 1 19 192. 2.10 10..10 10.1 .112 12 to 192 192.1 .10. 0.10 10..12 127 7 0 0 192 192.1 .10. 0.10 10..12 128 8 to to 192 192.1 .10. 0.10 10.1 .143 43 0 1 192. 192.10 10.1 .10. 0.14 144 4 to 192 192.1 .10. 0.10 10.1 .159 59 1 0 192. 192.10 10.1 .10. 0.16 160 0 to 192. 192.10 10.1 .10. 0.175 175 1 1 192. 192.10 10.1 .10. 0.17 176 6 to 192 192.1 .10. 0.10 10.1 .191 91 0 0 192. 192.10 10.1 .10. 0.19 192 2 to 192. 192.10 10.1 .10. 0.207 207 0 1 192. 192.10 10.1 .10. 0.20 208 8 to 192 192.1 .10. 0.10 10.2 .223 23 1 0 192. 192.10 10.1 .10. 0.22 224 4 to 192. 192.10 10.1 .10. 0.239 239 1 1 192. 192.10 10.1 .10. 0.24 240 0 to 192 192.1 .10. 0.10 10.2 .255 55
16 ;sable sbnets
-2 14
192.10.10.15 192.10.10.31 192.10.10.47 192.10.10.63 192.10.10.79 192.10.10.95
16 -2 ;sable -osts
14
8-e binar vale of t-e last bit borrowed is t-e range.
2"
Subnetting Proble* 2 N'ber of needed sbnets +000 N'ber of needed sable -osts -0 Network Address +-1.+00.0.0 Address class B $efalt sbnet 'ask 255.255.0.0 Csto' sbnet 'ask 255.255.255.192 255.255.255.192
8otal n'ber of sbnets 1/024 1/024 8otal n'ber of -ost addresses 64 64 N'ber of sable addresses 62 62 N'ber of bits borrowed 10 10
=-at is t-e 1*tsbnet rangeK 165.100.3.128to165.100.3.191 165.100.3.128to165.100.3.191
=-at is t-e sbnet n'ber for t-e t- sbnetK 165.100.1.64 165.100.1.64 =-at is t-e sbnet broadcast address for t-e t- sbnetK 165.100.1.127 165.100.1.127 =-at are t-e assignable addresses for t-e "tsbnetK 165.100.2.1to165.100.0.62 9-old be 1*.100.2.2
30
*umber of
+osts
65/536
3 2/ 2/ 76 76 8
1 6/ 6/ 38 38 4 8/192
4/096 4/
2/048
1/ 02 024
512
. 256 128 64 32
512
*umber of - 2 ,ubnets B'nr %&ues - 128 64
165 . 100 . 0
4
0
8
16
32
64
32
16
8
4
2
0
0
0 0
0
64
0.
#1) #2)
128
;sable -2 -osts 62
128 256 . 1 . 128
64 32 16 128 8
#3) #4) #5) #6) #7) #8) #9)
1024 10 24
64 64
0
.
16
2048 20 48 4/096 8/192
32
16
8
1 6/6/ 38 38 4
8
4
1
165.100.1.0 1 165.100.1.64 0 165.100.1.128 1 165.100.1.192 0 165.100.2.0
to to to to to
165.100.1.63 165.100.1.127 165.100.1.191 165.100.1.255 165.100.2.63
1 165.100.2.64
to to
165.100.2.191
1 165.100.2.192
to
165.100.2.255
165.100.3.0
to
165.100.3.63
to to to
165.100.3.127 165.100.3.191 165.100.3.255
1
0.
0
8-e first address in eac- sbnet range is t-e
#12)
1
0.
1
sbnet n'ber. 8-e last address in eac- sbnet range is t-e
#13)
1
1.
0
0
sbnet broadcast address.
#14) #15) #16)
1 1 1
1. 1. 1.
0 1 1
1 165.100.3.64 0 165.100.3.128 1 165.100.3.192
t-e range.
#11)
1
0.
1
165.100.0.63
0
#10)
8-e binar vale of t-e last bit borrowed is
1
165.100.0.127 165.100.0.191 165.100.0.255
1
4 2 1 255
2
to to to to
0 0 1 1 0
64 192
3 2/2/7 68 68 65/536
165.100.0.0 1 165.100.0.64 0 165.100.0.128 1 165.100.0.192
1. 1. 1. 1. 0.
Csto' sbnet 'ask
2
0 0 0 0 0 0 0
0 1
4
0
165.100.2.128
165.100.2.127
Don to #1023) 1
1
1 1
1
1
1
1.
1
#1024) 1
1
1 1
1
1
1
1.
1
0
165.100.255.128
to
165.100.255.191
1 165.100.255.192
to
165.100.255.255
S % o w ( o u r w o r k # o r P r o b l e * 2 i n t % e s ! a c e b e l o w .
#1
Subnetting Hint& It is !ossible to borrow
Proble* /
one bit to create two subnets. N'ber of needed sbnets 2 Network Address +51.22/.10.0 C Address class 255 . 255 . 255 . 0 $efalt sbnet 'ask 255 . 255 . 255 . 128 Csto' sbnet 'ask 2 8otal n'ber of sbnets 128 8otal n'ber of -ost addresses 126 N'ber of sable addresses 1 N'ber of bits borrowed
=-at is t-e 2nd
195.223.50.128 - 195.223.50.255 sbnet rangeK
=-at is t-e sbnet n'ber 195.223.50.128 for t-e 2nd sbnetK =-at is t-e sbnet broadcast address for 195.223.50.127 t-e 1st sbnetK =-at are t-e assignable
addresses for t-e 1st
195.223.50.1 - 195.223.50.126 sbnetK
#2
S%ow (our work #or Proble* / in t%e s!ace below. 256 128 64
32
16
8
4
2
-
*umber of 2
,ubnets 128
195.
4
64
8
16 16
32 16 16
32
8
64 128 4
2
*umber of +osts
256 1
- B'nr %&ues
223 . 50 . 0 0 0 0 0 0 0 0
#1) #2)
0 195.223.50.0 to 195.223.50.127 1 19 195.223.50.128 to 19 195.223.50.255
##
Subnetting Proble* N'ber of needed sbnets 710 Network Address +50./1.0.0 Address class B $efalt sbnet 'ask 255.255.0.0 255.255.0.0 Csto' sbnet 'ask 255.255.255.192 255.255.255.192
8otal n'ber of sbnets 1/024 1/024 8otal n'ber of -ost addresses 64 64
N'ber of sable addresses 62 62 N'ber of bits borrowed 10 10
=-at is t-e 1*t-
190.35.3.128 to 190.35.3.191
CCCCCCCC CCCCCCCC CCCCCCCC CCCCCCC CCCCCCC CCCCCCCC CCCCCCCC CCCCCCCC CCCCCCCC CCCCCCCC CCCCCCCC CCCC sbnet rangeK CCCC =-at is t-e sbnet n'ber for t-e 1#t- sbnetK =-at is t-e sbnet broadcast address for t-e 10t- sbnetK
190.35.3.0
190.35.2.127
=-at are t-e assignable addresses for t-e tsbnetK 190.35.1.65 to 190.35.1.126
#%
*umber of
+osts
65/536
3 2/ 2/ 76 76 8
1/024
1 6/ 6/ 38 38 4
8/192
4/096 4/096
512
. 256 128
-
512
*umber of - 2 4 ,ubnets B'n B' nr r % %&u &ues es - 128 128 64
190 . 35 . 0
8 32
0
16 32 64 16
8
4
2
128 256 . 1.
0 0 0 0
64 -2 62
# *
128 64 252
16
1 02 02 4
128 64
20 48 48 4/096 8/192
32
16
8
.
#2) #3) #4) #5) #6) #7) #8) #9) #10) #11) #12) #13) #14) #15) #16)
0 1
1.
1 1 1 1 1 1 1 1
1 1 1 0 0 0 0 1 1 1 1
. . . . . . . . . . .
1 0 0 1 1 0 0 1 1 0 0 1 1
1 6/ 6/ 38 38 4
8
0 0. 0 0
#1)
128 64 32 16 8 4 2 1 252
64 32
4
2
2/04 2/ 048 8
4
3 2/ 2/ 76 76 8
2
65/536
1
0 0 0 0 0 0
190.35.0.0
1 190.35.0.64 0 190.35.0.128 1 190.35.0.192 0 190.35.1.0 1 190.35.1.64 0 190.35.1.128 1 190.35.1.192 0 190.35.2.0 1 190.35.2.64 0 190.35.2.128 1 190.35.2.192 0 190.35.3.0 1 190.35.3.64 0 190.35.3.128 1 190.35.3.192
to
190.35.0.63
to to to to to to to to to to to to to to to
190.35.0.127 190.35.0.191 190.35.0.255 190.35.1.63 190.35.1.127 190.35.1.191 190.35.1.255 190.35.2.63 190.35.2.127 190.35.2.191 190.35.2.255 190.35.3.63 190.35.3.127 190.35.3.191 190.35.3.255
S % o w ( o u r w o r k # o r P r o b l e * i n t % e s ! a c e b e l o w .
Subnetting Proble* 1 N'ber of needed sable -osts - Network Address +2-.0.0.0 Address class A $efalt sbnet 'ask 255.0.0.0 255.0.0.0 Csto' sbnet 'ask 255.255.255.248 255.255.255.248 8otal n'ber of sbnets 2/097/152 2/097/152
8
8otal n'ber of -ost addresses
N'ber of sable addresses 6 6 N'ber of bits borrowed 21 21
=-at is t-e 2nd sbnet rangeK 126.0.0.8to126.0.0.15 126.0.0.8to126.0.0.15
=-at is t-e sbnet n'ber for t-e *t- sbnetK 126.0.0.32 126.0.0.32 =-at is t-e sbnet broadcast address for t-e 7t- sbnetK 126.0.0.55 126.0.0.55 =-at are t-e assignable addresses for t-e 10tsbnetK 126.0.0.73to126.0.0.78
36
*umber of
-
4/194/304 4/194/3 04
2/097/15 2
1/048/576
524/288
262/144
131/072
65/536 32/768
16/384
512 8/19 2
+osts
4 /0 96 96
2 /0 48 48
.
256 128
1 3 1/ 07 07 2 16/384
65/53 6
32/768
512
*umber of ,ubnets - 2
4 8
B'nr %&ues -128 64 32
16 32 16
64 128 256 8
1 /0 24 24
2 /0 48 48
4/09 6
64 32 16 8 4 2 1 255 8 -2 6
# 7
128 64 32 16 8 248
32
16
8
4
2
2 6 2/ 14 14 4
5 2 4/ 28 28 8
1/048/5762/097/152 4/194/304
.
8/192
.
4 2 1 . 1 12 28
64
32 16
8
126. 0 0 0 0 0 0 0 0 . 0 0 0 0 0 0
128
64
1/024
4
2
1 .
0
128 64
32
16
8
4
2
1
0.00000
000 0 126.0.0.0
#1) #2) #3) #4) #5) #6) #7) #8) #9) #10) #11) #12) #13) #14) #15) #16)
1 1 1 1 1 1 1 1
1 126.0.0.8 1 0 126.0.0.16 126.0.0.24 11 1 0 0 126.0.0.32 126.0.0.40 101 1 1 0 126.0.0.48 126.0.0.56 111 0 0 0 126.0.0.64 0 0 1 126.0.0.72 0 1 0 126.0.0.80 0 1 1 126.0.0.88 1 0 0 126.0.0.96 1 0 1 126.0.0.104 1 1 0 126.0.0.112 1 1 1 126.0.0.120
to 126.0.0.7 to 126.0.0.15 to 126.0.0.23 to 126.0.0.31 to 126.0.0.39 to 126.0.0.47 to 126.0.0.55 to 126.0.0.63 to 126.0.0.71 to 126.0.0.79 to 126.0.0.87 to 126.0.0.95 to 126.0.0.103 to 126.0.0.111 to 126.0.0.119 to 126.0.0.127
S % o w ( o u r w o r k # o r P r o b l e * 1 i n t % e s ! a c e b e l o w .
Subnetting Proble* N'ber of needed sbnets +0 Network Address +52.70.+0.0 C Address class 255 . 255 . 255 . 0 $efalt sbnet 'ask 255 . 255 . 255 . 240 Csto' sbnet 'ask 16 8otal n'ber of sbnets 16 8otal n'ber of -ost addresses 14 N'ber of sable addresses 4 N'ber of bits borrowed
=-at is t-e "tsbnet rangeK 192.70.10.128to192.70.10.143 192.70.10.128to192.70.10.143
=-at is t-e sbnet n'ber 192.70.10.48 for t-e %t- sbnetK =-at is t-e sbnet broadcast address for 192.70.10.191 192.70.10.191 t-e 12t- sbnetK =-at are t-e assignable
addresses for t-e 10tsbnetK 192.70.10.145to192.70.10.158
#!
Show your work for roblem 6 in the space below. 256 128 64 32 16 8 4 *umber of
4
8
16
32
64
32
16
8
4
2
1
0 0
0
0
0
0
0
0
2
,ubnets -
192 . 70 . 10 .
#1) #2) #3) #4) #5) #6) #7) #8) #9)) #9 #10) #1 0) #11) #1 1) #12) #1 2) #13) #1 3) #14) #1 4) #15) #1 5) #16) #1 6)
128
1 1 1 1 1 1 1 1
0 0 0 0 1 1 1 1
1 1 1 1 0 0 1 1 0 0 1 1
64 128
2
-
*umber of +osts
256 - B'nr %&ues
0 192.70.10.0 to 192.70.10.15 1 192.70.10.16 to 192.70.10.31 1 0 192.70.10.32 to 192.70.10.47 1 1 192.70.10.48 to 192.70.10.63 0 0 192.70.10.64 to 192.70.10.79 0 1 192.70.10.80 to 192.70.10.95 1 0 192.70.10.96 to 192.70.10.111 1 1 19 192.70.10.112 to to 192.70.10.127 0 19 192. 2.70 70..10 10..12 128 8 to 19 192. 2.70 70..10 10.1 .143 43 1 192.7 192.70. 0.10. 10.144 144 to to 19 192. 2.70. 70.10. 10.15 159 9 0 192.7 192.70. 0.10. 10.160 160 to to 19 192. 2.70. 70.10. 10.17 175 5 1 192.7 192.70. 0.10. 10.176 176 to to 19 192. 2.70. 70.10. 10.19 191 1 0 192.7 192.70. 0.10. 10.192 192 to to 19 192. 2.70. 70.10. 10.02 0207 07 1 192.7 192.70. 0.10. 10.208 208 to to 19 192. 2.70. 70.10. 10.22 223 3 0 192.7 192.70. 0.10. 10.224 224 to to 19 192. 2.70. 70.10. 10.23 239 9 1 192.7 192.70. 0.10. 10.240 240 to to 19 192. 2.70. 70.10. 10.25 255 5
128 64 240
16 -2 14 #"
Subnetting Proble* 7 Network Address +0.0.0.0 8+ Address class A $efalt sbnet 'ask 255.0.0.0 255.0.0.0 Csto' sbnet 'ask 255.255.0.0 255.255.0.0 8otal n'ber of sbnets 256 256 8otal n'ber of -ost addresses 65/536 65/536 N'ber of sable addresses 65/534 65/534 N'ber of bits borrowed 8 8
=-at is t-e t- e 11t11tsbnet rangeK 10.10.0.0to10.10.255.255
=-at is t-e sbnet n'ber 10.5.0.0 10.5.0.0 for t-e t- sbnetK =-at is t-e sbnet broadcast address for 10.1.255.255 t-e 2nd sbnetK =-at are t-e assignable
addresses for t-e "tsbnetK 10.8.0.1to10.8.255.254
!0
4/194/304
*umber of
2/097/15 2/09 7/152
1/048/576
5 24 24 / 28 8
2 6 2/2/ 14 14 4
1 3 1/1/ 07 07 2
65/536
32/768 7 68
16/384 3 84
8/192 8/1 92
4/096 4/0 96 2 /0 48 48
+osts
2
4
-128 64
8
16 32
32
16
10. 0 0 0 0 0
64 128 256 8
4 2
64 32 16 8 4 2 1 255 65/536 -2 65/534
% 1
#2) #3) #4) #5) #6)
1
000.
#1)
128
. 256 128
64
32
1/048/5762/097/152 2/097/152 131/072262/144 524/288 1/048/576 16/38 4
B'nr %&ues
512
-
*umber of
,ubnets -
1 /0 24 24
0 1
1
1 1 #7) #8) 1 1 #9) #10) 1 #11) 1 0 #12) 1 0 #13) 1 1 #14) 1 1 #15) 1 1 #16) 1 1
1 0 1 1 00 01 1 0 1 1 000 001 1 0 1 1 00 01 1 0 1 1
.
512
1 /0 24 24
2 /0 48 48
4 /0 96 96
. 128 64 32
16
32/768
65/536
4
2
4/194/304
.
8 /1 92 92
8
4
2
1 . 128 64
32
00000
0 0 0 . 0 0 0 0 0 0 0 0
10.0.0.0
to 10.0.255.255 to 10.1.255.255 to 10.2.255.255 to 10.3.255.255 to 10.4.255.255 to 10.5.255.255 to 10.6.255.255 to 10.7.255.255 to 10.8.255.255 to 10.9.255.255 to 10.10.255.255 to 10.11.255.255 to 10.12.255.255 to 10.13.255.255 to 10.14.255.255 to 10.15.255.255
10.1.0.0 10.2.0.0 10.3.0.0 10.4.0.0 10.5.0.0 10.6.0.0 10.7.0.0 10.8.0.0 10.9.0.0 10.10.0.0 10.11.0.0 10.12.0.0 10.13.0.0 10.14.0.0 10.15.0.0
16 8
16
8
4
2
1
S % o w ( o u r w o r k # o r P r o b l e * 7 i n t % e s ! a c e b e l o w .
Subnetting Proble* , N'ber of needed sbnets 1 Network Address +72.10.0.0 Address class B $efalt sbnet 'ask 255.255.0.0 255.255.0.0 Csto' sbnet 'ask 255.255.224.0 255.255.224.0
8otal n'ber of sbnets 8 8 8otal n'ber of -ost addresses 8/192 8/192 N'ber of sable addresses 8/190 N'ber of bits borrowed 3
=-at is t-e %tsbnet rangeK 172.50.96.0to172.50.127.255 172.50.96.0to172.50.127.255
=-at is t-e sbnet n'ber for t-e *t- sbnetK 172.50.128.0 172.50.128.0 =-at is t-e sbnet broadcast address for t-e t- sbnetK 172.50.191.255 172.50.191.255 =-at are t-e assignable addresses for t-e #rd sbnetK 172.50.64.1to172.50.95.254 172.50.64.1to172.50.95.254
%2
*umber of
+osts
65/536 32/768
16/384
8/192
4/ 4/0 96 96
2/04 8
1 /024
512
. 256 128
-
512
*umber of 2 4 ,ubnets B'nr B'n r %& %&ues ues - 12 128 8 64
172 . 50 . 0 0
#1) #2) #3) #4) #5) 1 #6) 1 #7) 1 #8) 1
8/192 -2 8/190
% #
128 64 32 224
8
16
32
64
32
16
8
4
0
0 1 1 0 1 1 0 0 0 1 1 0 1 1
2
128 256 . 1.
64 32
1 02 024
128 64
16
2 04 04 8 4/096 8/192
32
16
8
1 6/ 6/3 84 84
8
4
4
2
3 2/2/ 76 76 8 65/536
2
1
0 0 0 0 0. 0 0 0 0 0 0 0 0
172.50.0.0
to
172.50.31.255
172.50.32.0 172.50.64.0 172.50.96.0 172.50.128.0 172.50.160.0 172.50.192.0 172.50.224.0
to to to to to to to
172.50.63.255 172.50.95.255 172.50.127.255 172.50.159.255 172.50.191.255 172.50.223.255 172.50.255.255
S % o w ( o u r w o r k # o r P r o b l e * , i n t % e s ! a c e b e l o w .
Subnetting Proble* 5 N'ber of needed sable -osts 2, Network 2, Network Address +72.10.0.0 Address class B $efalt sbnet 'ask 255.255.0.0 255.255.0.0 Csto' sbnet 'ask 255.255.255.224 255.255.255.224
8otal n'ber of sbnets 2/048 2/048 8otal n'ber of -ost addresses 32 32
N'ber of sable addresses 30 30 N'ber of bits borrowed 1 11
=-at is t-e 2nd sbnet rangeK 172.50.0.32to172.50.0.63
=-at is t-e sbnet n'ber for t-e 10t- sbnetK 172.50.1.32 172.50.1.32 =-at is t-e sbnet broadcast address for t-e %t- sbnetK 172.50.0.127 172.50.0.127 =-at are t-e assignable addresses for t-e tsbnetK 172.50.0.161to172.50.0.190 172.50.0.161to172.50.0.190
%%
*umber of
+osts
65/536
3 2/ 2/ 76 76 8
1/024
1 6/ 6/ 38 38 4
4/096 8/192 4/096
512
. 256 128
-
512
*umber of - 2 4 ,ubnets B'n B' nr r % %&u &ues es - 128 128 64
172 . 50 . 0
0
8 32
16 32 64 16
8
4
2
128 256 . 1.
0 0 0 0
1
252
32
% *
-2 30
128 64 32 224
128
1024 1024
32
2048 20 48 4/096
64 32
0 0. 0 0 0
#1) 128 64 32 16 8 4 2
64
16
8
4
2
2/048 2/0 48
#2) #3) #4) #5) #6) #7) #8) #9) #10) #11) #12) #13) #14) #15) #16)
.
0 1 1
1. 1. 1. 1
.
1. 1.
1. 1.
1 1 1 0 0 0 0 1 1 1 1
1 0 0 1 1 0 0 1 1 0 0 1 1
16
8/192
8
1 6/6/ 38 38 4
4
3 2/ 2/7 68 68 65/536
2
1
0 0 0 0 0 172 .50.0.0
1 172.50.0.32 0 172.5 0.0.64 1 172.50.0.96 0 172 .50.0.128 1 172.50.0.160 0 17 2.50.0.192 1 172.50.0.224 0 17 2.50.1.0 1 172.50.1.32 0 172.50.1.64 1 172.50.1.96 0 172.50.1.128 1 172.50.1.160 0 172.50.1.192 1 172.50.1.224
to
172.50.0.31
to
172.50.0.63
to
172.50.0.95
to
172.50.0.127
to
172.50.0.159
to
172.50.0.191
to
172.50.0.223
to
172.50.0.255
to
172.50.1.31
to
172.50.1.63
to
172.50.1.95
to
172.50.1.127
to
172.50.1.159
to
172.50.1.191
to
172.50.1.223
to
172.50.1.255
S % o w ( o u r w o r k # o r P r o b l e * 5 i n t % e s ! a c e b e l o w .
Subnetting Proble* +0 N'ber of needed sbnets 1 Network Address 220.+00.+00.0 Address class C C $efalt sbnet 'ask 255.255.255.0 255.255.255.0 Csto' sbnet 'ask 255.255.255.252 255.255.255.252
8otal n'ber of sbnets 64 64
4
8otal n'ber of -ost addresses
N'ber of sable addresses 2 2 N'ber of bits borrowed 6 6
=-at is t-e *tsbnet rangeK 220.100.100.16to220.100.100.19 220.100.100.16to220.100.100.19
=-at is t-e sbnet n'ber for t-e %t- sbnetK 220.100.100.12 220.100.100.12 =-at is t-e sbnet broadcast address for t-e 1#t- sbnetK 220.100.100.51 220.100.100.51 =-at are t-e assignable addresses for t-e 12tsbnetK 220.100.100.45to220.100.100.46
!6
256 128 64
32
16
8
4
2 -
*umber of
*umber of ,ubnets
+osts - 2 128
4
8
64
32
220 . 100 . 100 . 0
128 64 32 16 8 4 252
4 -2 2
% 7
16 32 16
16
0 0
8
4
0 1 1 1 1 1
1 1 1 1 1 1 1 1
2
256 1 -
B'nr %&ues
0 0 0 0 0
#1) #2) #3) #4) #5) #6) #7) #8) #9) #10) #11) #12) #13) #14) #15) #16)
64 128
0 0 0 0 1 1 1 1
1 0 0 1 1 0 0 1 1 0 0 1 1
220.100. 100.0
1 220.100.100.4 0 220.100.10 0.8 1 220.100.100.12 0 220.100. 100.16 1 220.100.100.20 0 220.10 0.100.24 1 220.100.100.28 0 22 0.100.100.32 1 220.100.100.36 0 2 20.100.100.40 1 220.100.100.44 0 2 20.100.100.48 1 220.100.100.52 0 2 20.100.100.56 1 220.100.100.60
to to
220.100.100.3 220.100.100.7
to
220.100.100.11
to
220.100.100.15
to
220.100.100.19
to to
220.100.100.23 220.100.100.27
to
220.100.100.31
to
220.100.100.35
to
220.100.100.39
to
220.100.100.43
to
220.100.100.47
to
220.100.100.51
to
220.100.100.55
to
220.100.100.59
to
220.100.100.63
S % o w ( o u r w o r k # o r P r o b l e * + 0 i n t % e s ! a c e b e l o w .
Subnetting Proble* ++ N'ber of needed sable -osts ,9000 Network Address +/1.70.0.0 Address class B $efalt sbnet 'ask 255.255.0.0 255.255.0.0 Csto' sbnet 'ask 255.255.224.0 255.255.224.0
8otal n'ber of sbnets 8 8 8otal n'ber of -ost addresses 8/192 8/192 N'ber of sable addresses 8/190 N'ber of bits borrowed 3
=-at is t-e tsbnet rangeK 135.70.160.0to135.70.191.255 135.70.160.0to135.70.191.255
=-at is t-e sbnet n'ber 135.70.192.0 for t-e 7t- sbnetK =-at is t-e sbnet broadcast address for 135.70.95.255 135.70.95.255 t-e #rd sbnetK =-at are t-e assignable
addresses for t-e *tsbnetK 135.70.128.1to135.70.159.254
%!
*umber of
+osts
65/536
32 /7 68 32 68
1 6/ 6/ 38 38 4
8/192
4/096
2/048
1/024
512
. 256 128
-
02 4 512 1 02
*umber of 2 4 ,ubnets B'n B' nr r % %&u &ues es - 128 128 64
8
1 6
32
16
32 64 8
4
2
128 256 . 1 . 12 1 28 64
64 32
16
2 04 04 8 4/096 8/192
32
16
8
8
1 6/6/ 38 38 4
4
135 . 70 . 0 0 0 0 0 0 0 0 . 0 0 0 0 0 0 0 0
#1) #2) #3) #4) #5) #6) #7) #8)
0 1 1 1 1 1
1 0 0 1 1
135.70.0.0
135.70.32.0 1 1 0 35.70.64.0 135.70.96.0 1 0 135.70.128.0 135.70.160.0 1 0 135.70.192.0 135.70.224.0 1
to
135.70.31.255
to to to to to to to
135.70.63.255 135.70.95.255 135.70.127.255 135.70.159.255 135.70.191.255 135.70.223.255 135.70.255.255
128 64 32
8/192 -2 8/190 % "
224
4
2
3 2/2/ 76 76 8 65/536
2
1
S % o w ( o u r w o r k # o r P r o b l e * + + i n t % e s ! a c e b e l o w .
Subnetting Proble* +2 N'ber of needed sable -osts 1 Network Address +5,.+21.10.0 Address class C C $efalt sbnet 'ask 255.255.255.0 255.255.255.0 Csto' sbnet 'ask 255.255.255.192 255.255.255.192
8otal n'ber of sbnets 4 4 8otal n'ber of -ost addresses 64 64 N'ber of sable addresses 62 62 N'ber of bits borrowed 2 2
=-at is t-e 2nd sbnet rangeK 198.125.50.64to98.125.50.127 198.125.50.64to98.125.50.127
=-at is t-e sbnet n'ber for t-e 2nd sbnetK 198.125.50.64 198.125.50.64 =-at is t-e sbnet broadcast address for t-e %t- sbnetK 198.125.50.255 198.125.50.255 =-at are t-e assignable addresses for t-e #rd sbnetK 198.125.50.129to198.125.50.190
*0
S%ow (our work #or Proble* +2 in t%e s!ace below. 256 128 64
32
16
8
4
2
*umber of 2
,ubnets -
4
128
198 . 125 . 50 . 0
#1) #2) #3)) #3 #4)) #4
128 64 192
64
0
8
16 16
32 16 16
0 0
32
8
0
64 128 4
0
-
*umber of +osts
256 2
1
- B'nr %&ues
0 0
0 198.125.50.0 to 198.125.50.63 1 198.125.50.64 to 198.125.50.127 1 0 198 198..12 125. 5.50 50.1 .128 28 to 198 198.1 .125 25.5 .50. 0.19 191 1 1 1 198 198..12 125. 5.50 50.1 .192 92 to 198 198.1 .125 25.5 .50. 0.25 255 5
64 -2 62
*1
Subnetting Proble* +/ Network Address +-1.200.0.0 82B Address class 255 . 255 . 0 . 0 $efalt sbnet 'ask 255 . 255 . 255 . 192 Csto' sbnet 'ask 1/024 8otal n'ber of sbnets 64 8otal n'ber of -ost addresses 62 N'ber of sable addresses 10 N'ber of bits borrowed
=-at is t-e 10tsbnet rangeK 165.200.2.64to165.200.2.127 165.200.2.64to165.200.2.127
=-at is t-e sbnet n'ber for t-e 11t- sbnetK 165.200.2.128 165.200.2.128 =-at is t-e sbnet broadcast address for t-e 102#rd sbnetK 165.200.255.191 165.200.255.191 =-at are t-e assignable addresses for t-e 1022nd sbnetK 165.200.255.65to165.200.255.126
*2
*umber of
+osts
65/536
3 2/ 2/ 76 76 8
1 6/ 6/ 38 38 4
8/19 2
4/096
2/048
1/024
512
. 256 128 64 32
-
512
*umber of - 2 4 ,ubnets B'n B' nr r % %&u &ues es - 128 128 64
165 . 200 . 0
0
8 32
16 32 64
16
8
4
0
128 256 . 1.
2
128 64 32 16 8 4 2 1 252
62
.
#2) #3) #4) #5) #6) #7) #8) 1 #9) #10) 1 #11) 1 #12) 1 #13) 1 #14) 1
-2 128 64
252
# 16)
1 1 0 0 1 1 0 0 1 1 0 0
1 1 1 1 . 0 0 . 0 . 0 . 1 . 1 . 1
#15) 1
64 32
16
8
1
1
.
.
1
1
8
1 6/6/ 38 38 4
4
4
2
3 2/ 2/7 68 68 65/536
2
S % o w
1
0 0 0 0 0 0
0
165 .200.0.0
to 165.200.0.63
1 0 1 0 1 0 1 0 1 0 1 0 1
165.200.0.64 165.2 00.0.128 165.200.0.192 16 5.200.1.0 165.200.1.64 16 5.200.1.128 165.200.1.192 16 5.200.2.0 165.200.2.64 165.200.2.128 165.200.2.192 165.200.3.0 165.200.3.64
to 165.200.0.127 to 165.200.0.191 to 165.200.0.255 to 165.200.1.63 to 165.200.1.127 to 165.200.1.191 to 165.200.1.255 to 165.200.2.63 to 165.200.2.127 to 165.200.2.191 to 165.200.2.255 to 165.200.3.63 to 165.200.3.127
1
165.200.3.192
t o165.200.3. 165. 200.3.255 255
0 165.200.3.128
to 165.200.3.191
1
1 1
1 1 1
1.0
1 165.200.255.64
to 165.200.255.127
#1022) 1 1 #1023) 1 1
1 1 1 1
1 1 1 1 1 1
1.1 1.1
0 1 65.200.155.128 1 165.200.255.192
to 1 16 65.200.255.191 to 16 165.200.255.255
#1021) 1
* #
2048 20 48 4/096 8/192
1024 10 24
0 0 0 0 0. 0 0
#1)
64
128
16
( o u r
w o r k # o r P r o b l e
i n + / t % e
s ! a c
.
Subnetting Proble* + N'ber of needed sable -osts +Network Address 200.+0.+0.0 Address class C C $efalt sbnet 'ask 255.255.255.0 255.255.255.0 Csto' sbnet 'ask 255.255.255.224 255.255.255.224
8otal n'ber of sbnets 8 8 8otal n'ber of -ost addresses 32 32 N'ber of sable addresses 30 30 N'ber of bits borrowed 3 3
=-at is t-e 7t- 200.10.10.192 to 200.10.10.223 sbnet rangeK CCCCC CCCCCCCCCCC CCCCCCCCCCCC CCCCCCCCCCCC CCCCCCCCCCC CCCCCCCCCCC CCCCCCCCCCC CCCCCCCCCCC CCCCCCCC CC =-at is t-e sbnet n'ber 200.10.10.128 for t-e *t- sbnetK =-at is t-e sbnet broadcast address for 200.10.10.127 t-e %t- sbnetK =-at are t-e assignable
addresses for t-e t-
200.10.10.161 to 200.10.10.190 sbnetK
*%
S%ow (our work #or Proble* + in t%e s!ace below. 32 16
256 128 64
8
4
2
*umber of 2
,ubnets 128
200 . 10 . 10 . 0
#1) #2) #3) #4) #5)) #5 #6)) #6 #7)) #7 #8)) #8
128 64 32 224
1 1 1 1
32 -2 30
4
8
64
32
16
0
0
0
1 1 0 1 0 1
0 0 1 1
16 16
32
8
0
64 128 4
0
-
*umber of +osts
256 2
1
- B'nr %&ues
0 0
0 200.10.10.0to 200.10.10.31 1 200.10.10.32 to 200.10.10.63 0 200.10.10.64 to t o 20 2 00.10.10.95 1 200.10.10.96 to 200.10.10.127 200. 20 0.10 10.1 .10. 0.12 128 8 to 20 200. 0.10 10.1 .10. 0.15 159 9 200. 20 0.10 10.1 .10. 0.16 160 0 to 20 200. 0.10 10.1 .10. 0.19 191 1 200. 20 0.10 10.1 .10. 0.19 192 2 to 20 200. 0.10 10.1 .10. 0.22 223 3 200. 20 0.10 10.1 .10. 0.22 224 4 to 20 200. 0.10 10.1 .10. 0.25 255 5
**
Subnetting Proble* +1 Network Address 5/.0.0.0 :+5 A Address class 255 . 0 . 0 . 0 $efalt sbnet 'ask 255 . 255 . 224 . 0 Csto' sbnet 'ask 2/048 8otal n'ber of sbnets 8/192 8otal n'ber of -ost addresses 8/190 N'ber of sable addresses 11 N'ber of bits borrowed
=-at is t-e 1*t-
93.1.192.0 to 93.1.223.255
sbnet rangeK CCCC CCCCCCCC CCCCCCCC CCCCCCCC CCCCCCC CCCCCCC CCCCCCCC CCCCCCCC CCCCCCCC CCCCCCCC CCCCCCCC CCCCCCCC CCCC =-at is t-e sbnet n'ber 93.1.0.0 for t-e "t- sbnetK =-at is t-e sbnet broadcast address for 93.0.223.255 t-e 7t- sbnetK =-at are t-e assignable addresses for t-e 12tsbnetK 93.1.96.1to93.1.127.254
*
+osts
-
4/194/304
2/097/152
1/048/576
524/288 2 88
262/144 1 44
131/072 0 72
65/536
32/768 7 68
16/384 3 84
8/192 8/1 92
4/096 4/0 96
2 / 04 04 8
1 /0 24 24
512
. 256 128
64
32
16 8
4
2
*umber of 131/072262/144 1 6/ 38 38 4
*umber of ,ubnets
-
2
B'nr %&ues -128 64 32
93. 0 0 0
128 64 32 16 8 4 2 1 255 128 64 32 224 8/192 -2 8/190
* 7
4
64 128 256
8 16 32 16
0
0 8
4
2 1
.512
1 /0 24 24
2 /0 48 48
. 128 64 32
4 /0 96 96
16
3 2/2/ 76 8
8 /1 92 92
8
524/288 1/048/5762/097/152 1/048/5762/097/152
#9) #10) #11) #12) #13) #14) #15) #1 5)
4
2
1 . 128 64
32
16
.0 93.0.0.0to 93.0.31.255 1 93.0.32.0 to to 93.0.63.255 1 0 93.0.64.0to 93.0.95.255 1 1 93.0.96.0to 93.0.127.255 1 0 0 93.0.128.0 to 93.0.159.255 1 0 1 93.0.160.0 to 93.0.191.255 1 1 0 93.0.192.0 to 93.0.223.255 1 1 1 93.0.224.0 to 93.0.255.255 1 . 0 0 0 93.1.0.0 to to
93.1.31.255 1 . 0 0 1 93.1.32.0to 93.1.63.255 1 . 0 1 0 93.1.64.0to 93.1.95.255 . 1 0 1 1 93.1.96.0 to to
4/194/304
.
0 0 0 . 0 0 0 0 0 0 0 0 . 0 0 0 0 0 0 0 0
#1) #2) #3) #4) #5) #6) #7) #8)
65/536
93.1.127.255
1 . 1 0 0 93.1.128.0 to 93.1.159.255 1 . 1 0 1 93.1.160.0 to 93.1.191.255
1 . 1 1 0 93 93.1 .1.19 .192. 2.0 0 to 93 93.1 .1.22 .223. 3.255 255
8
4
2
1
S % o w ( o u r w o r k # o r P r o b l e * + 1 i n t % e s ! a c e b e l o w .
Practical Subnetting + ased on t-e infor'ation in t-e grap-ic s-own, design a network addressing sc-e'e t-at will sppl t-e *ini*u* nu*ber o# subnets , and allow enog- e+tra sbnets and -osts for 100M growt- in bot- areas. Circle eac- sbnet on t-e grap-ic and answer t-e Bestions below. IP Address +72.+-.0.0 F0"0 &o(ter AS08080
S0808+
;080
:arketing 2% Hosts
;08+ &oter
:anage'ent 1* Hosts
&easearc0 Hosts
Address class
B
Csto' sbnet 'ask
255.255.224.0
:ini'' n'ber of sbnets needed
4
+tra sbnets reBired for 100M growt-
4
G
8
(&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of sbnets needed need ed
N'ber of -ost addresses 60 in t-e t-e largest largest sbnet grop N'ber of addresses needed for 100M growt- in t-e largest sbnet 60 (&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of address needed for t-e largest sbnet
G 120
9tart wit- t-e first sbnet and arrange or sb>networks fro' t-e largest grop to t-e s'allest.
address range for &esearc- CCCCCCCCCCCCCCCCCCCCCCCCCCCCC 172.16.0.0to172.31.255 address range for :arketing CCCCCCCCCCCCCCCCCCCCCCCCCCCCC 172.16.32.0to172.63.255 address range for :anage'ent CCCCCCCCCCCCCCCCCCCCCCCCCCCCC 172.16.64.0to172.95.255 172.16.96.0to172.127.255 address range for &oter A CCCCCCCCCCCCCCCCCCCCCCCCCCCCC 172.16.96.0to172.127.255 to &oter serial connection *!
*umber of
65/536
3 2/2/ 76 76 8
1 6/6/ 38 38 4
8/192
4/096
2/048
1/024
51 2
. 256 128
+osts 512
*umber of 2 4 ,ubnets B'nr %&ues - 128 64
8
16
32
64
32
16
8
4
2
172 . 16 . 0 0 0
#1)
4 1.0 4 60 1.0 60
* "
#2) #3) #4) #5) #6) #7) #8)
1 1 1 1 1
1 0 0 1 1
128 256 . 1 . 128
64 32
16
1 02 02 4
2 04 04 8 4/096 8/192
64
32
16
8
8
1 6/6/ 38 38 4
4
4
2
3 2/2/ 76 76 8 65/536
2
1
0 0 0 0 0. 0 0 0 0 0 0 0 0
0
172.16.0.0
to
172.16.31.255
1 0 1 0 1 0 1
172.16.32.0 172.16.64.0 172.16.96.0 172.16.128.0 172.16.160.0 172.16.192.0 172.16.224.0
to to to to to to to
172.16.63.255 172.16.95.255 172.16.127.255 172.16.159.255 172.16.191.255 172.16.223.255 172.16.255.255
S % o w ( o u r w o r k # o r P r a c t i c a l S u b n e t t i n g + i n t % e s ! a c e b e l o w .
Practical Subnetting 2 ased on t-e infor'ation in t-e grap-ic s-own, design a network addressing sc-e'e t-at will sppl t-e *ini*u* nu*ber nu* ber o# %osts !er !e r subne t, and allow enog- e+tra sbnets and -osts for #0M growt- in all areas. Circle eac- sbnet on t-e grap-ic and answer t-e Bestions Be stions below. IP Address +/1.+2-.0.0 S08080 ;080 S0808+ &oter A
S0808+
;080
&oter
;08+
S08080
;08+
8ec- )d Lab
20 Hosts
&o(ter C
9cience Lab 10 Hosts
nglis- $epart'ent 1* Hosts
B
Address class Csto' sbnet 'ask
255.255.255.224
5 :ini'' n'ber of sbnets needed
+tra sbnets reBired for #0M growt-
2
G
7
(&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of sbnets needed nee ded
N'ber N'b er of of -ost -ost add addres resse ses s in t-e largest sbnet grop 20 N'ber of addresses needed for #0M growt- in t-e largest sbnet
6
G
26
(&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of address needed for t-e largest sbnet
9tart wit- t-e first sbnet and arrange or sb>networks fro' t-e largest grop to t-e s'allest. address range for 8ec- d 135.126.0.0to135.126.0.31 135.126.0.0to135.126.0.31 address range for nglis- 135.126.0.32to135.126.0.63 address range for 9cience 135.126.0.64to135.126.0.95
address range for &oter A to &oter serial connection 135 .126.0.96to135.126.0.127
address range for &oter A to &oter serial connection135 connection 135 .126.0.128to135.126.0.159
0
*umber of
+osts
65/536
3 2/ 2/ 76 76 8
1 6/ 6/ 38 38 4
8/19 2
4/ 09 096
2/048
1/ 02 024
512
. 256 128
-
512
*umber of - 2 4 ,ubnets B'n B' nr r % %&u &ues es - 128 128 64
32
135. 126 . 0
0 0 0 0 0 0. 0 0 0
0
8
16 32 64 16
8
4
2
128 256 . 1.
#1)
5 .3 1.5 #oun! up to 2)
20 .3 6
. 1
#2) #3) #4) #5) #6) #7) #8) #9) #10) #11) #12) #13) #14) #15) #16)
128
1024 1024
32
2048 20 48 4/096
64 32
16
16
8/192
8
8
1 6/ 6/ 38 38 4
4
4
2
3 2/ 2/ 76 76 8 65/536
2
1
0 0 0 0 0
.
0 1 1
1. 1. 1. 1
64
.
1. 1.
1. 1.
1 1 1 0 0 0 0 1 1 1 1
1 0 0 1 1 0 0 1 1 0 0 1 1
135 .126.0.0
1 135.126.0.32 0 135.1 26.0.64 1 135.126.0.96 0 135 .126.0.128 1 135.126.0.160 0 13 5.126.0.192 1 135.126.0.224 0 13 5.126.1.0 1 135.126.1.32 0 135.126.1.64 1 135.126.1.96 0 135.126.1.128 1 135.126.1.160 0 135.126.1.192 1 135.1261.224
to
135.126.0.31
to
135.126.0.63
to
135.126.0.95
to
135.126.0.127
to
135.126.0.159
to
135.126.0.191
to
135.126.0.223
to
135.126.0.255
to
135.126.1.31
to
135.126.1.63
to
135.126.1.95
to
135.126.1.127
to
135.126.1.159
to
135.126.1.191
to
135.126.1.223
to
135.126.1.255
S % o w ( o u r w o r k # o r P r o b l e * 2 i n t % e s ! a c e b e l o w .
Practical Subnetting / ased on t-e infor'ation in t-e grap-ic s-own, design a classfll network addressing sc-e'e t-at will sppl t-e *ini*u* nu*ber nu* ber o# %osts !er ! er subne t, and allow enoge+tra sbnets and -osts for 2*M growt- in all areas. Circle eac- sbnet on t-e grap-ic and answer t-e Bestions below. IP Address +72.+-.0.0 S0808+
;080
Ad'inistrative #0 Hosts
;080
&oter A &oter
;08+
9ales 1!* Hosts
S08080
:arketing *0 Hosts
Address class B
Csto' sbnet 'ask
255.255.255.0
:ini'' n'ber of sbnets needed 4 CCCCCCCCC
+tra sbnets reBired for 2*M growt-
CCCCCCCCC N
1
CCCCCCCCC G
5
(&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of sbnets needed
N'ber of -ost addresses 185 in t-e largest largest sbnet sbnet grop N'ber of addresses needed for 47 2*M growt- in t-e largest sbnet (&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of address addre ss needed for t-e largest sbnet
G 232
9tart wit- t-e first sbnet and arrange or sb>networks fro' t-e largest grop to t-e s'allest.
address range for 9ales 172.16.0.0 to 172.16.0.255
address range for :arketing
172.16.1.0 to 172.16.1.255
address range for Ad'inistrative add addres ress s range range for &ote &oterr A
to &oter serial connection 2
172.16.2.0 to 172.16.2.255
172.16.3.0 to 172.16.3.255
*umber of
+osts
65/536
32/768 32/768
16/3 16 /384 84
8/192
4/096 4/
2/ 04 048
1/024
512
-
0
8
16
32
64
32
16
8
4
0 0 0
#1)
..25 1 225
.
#2) #3) #4) #5) #6) #7) #8)
#oun! up to 57)
. #
#10) #11) #12) #13) #14) #15) #16)
128 256 . 2 1
0 0 0.
0 1 1
#9) 1 .
.25 56.25
2 04 04 8 4/096
8/192
8
16/384
4
2
32 /7 68 68 65/536
512
2 4 ,ubnets B'nr %&ues - 128 64
172. 16 . 0
64 32 16
1 02 02 4
*umber of
4
. 256 128
1. 1 . 1
.
1. 1.
1. 1.
1 1 1 0 0 0 0 1 1 1 1
1 0 0 1 1 0 0 1 1 0 0 1 1
. 128 64 32 16
0 0
0
17 2.16.0.0
172.16.1.0 1 172.16.2 .0 0 172.16.3.0 1 0 172.16.4.0 172.16.5.0 1 0 172.16.6.0 172.16.7.0 1 0 172.16.8.0 172.16.9.0 1 0 172.16.10.0 172.16.11.0 1 0 172.16.12.0 172.16.13.0 1 0 172.16.14.0 172.16.15.0 1
0
8
0 0
4
2
0
1
0
to
1172.16.0.255
to
1172.16.1.255
to
1172.16.2.255
to
1172.16.3.255
to
1172.16.4.255
to
1172.16.5.255
to
1172.16.6.255
to
1172.16.7.255
to
1172.16.8.255
to
1172.16.9.255
to
1172.16.10.255
to
1172.16.11.255
to
1172.16.12.255
to
1172.16.13.255
to
1172.16.14.255
to
1172.16.15.255
S % o w ( o u r w o r k # o r P r o b l e * / i n t % e s ! a c e b e l o w .
Practical Subnetting ased on t-e infor'ation in t-e grap-ic s-own, design a network addressing sc-e'e t-at will sppl t-e *ini*u* nu*ber o# subnets, subnets , and allow enog- e+tra sbnets and -osts for 70M growt- in all areas. Circle eace ac- sbnet on t-e grap-ic and answer t-e Bestions below.
IP Address +/1.+2-.0.0 ;080
S08080
S0808+
&oter A
S0808+ ;080&o(ter
S08080 ;08+
&oter C
;080
$allas
New @ork
1*0 Hosts =as-ington $.C. 220 Hosts
Address class Csto' sbnet 'ask
#2* Hosts
B 255.255.240.0
5 :ini'' n'ber of sbnets needed
+tra sbnets reBired for 70M growt-
4
G
9
(&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of sbnets needed
N'ber of -ost -ost addresses addresses in t-e largest sbnet grop 325 N'ber of addresses needed for 228 70M growt- in t-e largest sbnet (&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of address addre ss
G 553
needed for t-e largest sbnet 9tart wit- t-e first sbnet and arrange or sb>networks fro' t-e largest grop to t-e s'allest. address range for New @ork 135 .126.0.0to135.126.15.255 .126.0.0to135.126.15.255 address range for =as-ington $. C. 135 .126.16.0to135.126.31.255 .126.16.0to135.126.31.255
address range for $allas 135 .126.32.0to135.126.47.255 .126.32.0to135.126.47.255
address range for &oter A
135.126.48.0 to 135.126.63.255 135.126.48.0 135.126.63.255 to &oter serial connection
address range for &oter A
135.126.64 135.1 26.64.0 .0 to 135. 135.126.79 126.79.255 .255 to &oter C serial connection
%
*umber of
65/536
3 2/ 2/ 76 76 8
1 6/ 6/ 38 38 4 8/192
4/09 6
2 /0 48 48
1 /02 4
. 256 128
512
+osts -
512
*umber of 2 4 ,ubnets B'n B' nr r % %&u &ues es - 128 128 64
135. 126 . 0
#1)
. *
0
8 32
16 16
0 0
.
0
#2) #3) #4) #5) #6) #7) #8) #9) 1 . #10) 1 . #11) 1 . . #12) 1 #13) 1 .
1 0 1 1 0 0 0 1 1 0 1 1 0 0 0 1 1 0 1 1 0 0 1 0 1 0 1 1 1
1 1 1 1 0 0 0 0 1
#14)
1.
1
#15) #16)
1. 1.
1 1
32 64 8
4
2
10 24 24
128 256 . 1 . 12 128 64
64 32
16
20 48 48 4/096 8/192
32
16
8
0 0 0 0 . 0 0 0 0 0 0 0 0 135.126.0.0
to
135.126.15.255
135.126.16.0
to
135.126.31.255
135.126.32.0
to
135.126.47.255
135.126.48.0
to
135.126.63.255
135.126.64.0
to
135.126.79.255
135.126.80.0
to
135.126.95.255
135.126.96.0
to
135.126.111.255
135.126.112.0
to
135.126.127.255
135.126.128.0
to
135.126.143.255
135.126.144.0
to
135.126.159.255
135.126.160.0
to
135.126.175.255
135.126.176.0
to
135.126.191.255
135.126.192.0
to
135.126.207.255
135.126.208.0
to
135.126.223.255
135.126.224.0 to
135.126.239.255
135.126.240.0 to to
135.126.1255.255
8
1 6/ 6/3 84 84
4
4
2
3 2/2/ 76 76 8 65/536
2
1
S % o w ( o u r w o r k # o r P r o b l e * i n t % e s ! a c e b e l o w .
Practical Subnetting 1 ased on t-e infor'ation in t-e grap-ic s-own, design a network addressing sc-e'e t-at will sppl t-e *ini*u* nu*ber o# %osts !er subnet , and allow enog- e+tra sbnets and -osts for 100M growt- in all areas. Circle eac- sbnet on t-e grap-ic and answer t-e Bestions below. IP Address 2+0.+1.+0.0 ;080 ;08+
9cience &oo'
8ec- )d Lab
10 Hosts
1! Hosts
nglis- classroo'
Art Classroo'
1* Hosts 12 Hosts
Address class
C
Csto' sbnet 'ask
255.255.255.192
:ini'' n'ber of sbnets needed +tra sbnets reBired for 100M growt-
2
2
G
4
(&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of sbnets needed nee ded
N'ber of -ost addresses 30 in t-e t-e large largest st sbne sbnett grop grop N'ber of addresses needed for 100M growt- in t-e largest sbnet 30 (&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of address needed for t-e largest sbnet
G 60
9tart wit- t-e first sbnet and arrange or sb>networks fro' t-e largest grop to t-e s'allest. address range for &oter 6050 /ort 210.15.10.0to210.15.10.63 210.15.10.0to210.15.10.63
address range for &oter 6051 /ort 210.15.10.64to210.15.10.127 210.15.10.64to210.15.10.127
S%ow (our work #or Proble* 1 in t%e s!ace below. 256 128 64
32
16
8
4
2
*umber of 2
,ubnets 128
210. 15 . 10 . 0
#1) #2) #3)) #3 #4)) #4
4
64 32 32
0 0
8
16 16
16
0
32
8
0
- *umber of +osts
64 128 256 4
0
2
1
- B'nr %&ues
0 0
0 210.15.10.0to 210.15.10.63 1 210.15.10.64 to 210.15.10.127 1 0 210.1 210.15. 5.10 10.1 .128 28 to 210. 210.15 15.1 .10. 0.19 191 1 1 1 210 10.1 .15. 5.10 10.1 .192 92 to 210. 210.15 15.1 .10. 0.25 255 5
7
Practical Subnetting ased on t-e infor'ation in t-e grap-ic s-own, design a network addressing sc-e'e t-at will sppl t-e *ini*u* nu*ber o# subnets, subnets , and allow enog- e+tra sbnets and -osts for 20M growt- in all areas. Circle eace ac- sbnet on t-e grap-ic and answer t-e Bestions below.
S08080
IP Address +0.0.0.0 S0808+
&oter A
;080
S0808+
S08080
Art $ra'a $ra'a 7* Hosts
&oter C
&oter
;08+
S0808+
S08080
8ec-nolog
ilding #20 Hosts
Ad'inistration Ad'inistration #* Hosts
;080 ;08+
9cience (ilding
22* Hosts
Address class Csto' sbnet 'ask
CCCCCCCCCCCCCC CCCCCCCCCCCCCC C
A
CCCCCCCCCCCCCC CCCCCCCCCCCCCC C
255.240.0.0 7
:ini'' n'ber of sbnets needed
+tra sbnets reBired for 20M growt- CCCCCCC CC N 2 (&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of sbnets needed CCCCCCC CC G 9 9tart wit- t-e first sbnet and arrange or sb>networks fro' t-e largest grop to t-e s'allest.
address address range for for 8ec-nol 8ec-nolog og 10.0.0.0 to 10.15.255.255
address range for 9cience
10.16.0.0 to 10.31.255.255
address range for Arts $ra'a
10.32.0.0 to 10.47.255.255
Address range Ad'inistration add addres ress s range range for &ote &oterr A
to &oter serial connection add addres ress s range range for &ote &oterr A
to &oter C serial connection add addres ress s range range for &ote &oterr
to &oter C serial connection
!
10.48.0.0 to 10.63.255.255
10.64.0.0 to 10.79.255.255
10.80.0.0 to 10.95.255.255
10.96.0.0 to 10.111.255.255
*umber of
-
4/194/304
2/097/15 7/1522
1/048/57 1/04 8/576
524/288 524/2
262/1444 262/14
131/072 0 72
65/536 32/768 7 68
16/384 3 84
8 /1 92 92
1 /0 24 24
2 /0 48 48
4 /0 96 96
4 /0 96 96
2 /0 48 48
1 /0 24 24
512
. 256 128
64
32
16
8
4
2
+osts
1 6/6/ 38 38 4
512
*umber of ,ubnets
-
2
4
B'nr %&ues -128 64 32
8
16 32 16
10. 0 0 0
#1) #2) #3) #4) #5) 1 #6) 1 #7) 1 #8) 1 #9) 1 0 0 #10) 1 0 0 #11) 1 0 1 #12) 1 0 1 #13) 1 1 0 #14) 1 1 0 #15) 1 1 1 #16) 1 1 1
. "
64 128 256 8
4 2
1
0 0 0 0 0 . 0 0
10.0.0.0
1 10.16.0.0 1 0 10.32.0.0 1 1 10.48.0.0 0 0 10.64.0.0 0 1 10.80.0.0 1 0 10.96.0.0 1 1 10.112.0.0 0
1 0
1 0
1 0
1
10.128.0.0 10.144.0.0 10.160.0.0 10.176.0.0 10.192.0.0 10.208.0.0 10.224.0.0 10.240.0.0
3 2/2/ 76 76 8
65/536
.131/072262/144524/2881/048/5762/097/1524/194/304
8 /1 92 92
.
. 128
64 32 16
8
4
2
1 . 128 64 32 16
0 0 0 0 0 0 0 . 0 0 0 0 0 0 0 0 to 10.15.255.255 to to to to to to to to to to to to to to to
10.32.255.255 10.47.255.255 10.63.255.255 10.79.255.255 10.95.255.255 10.111.255.255 10.127.255.255 10.143.255.255 10.159.255.255 10.175.255.255 10.191.255.255 10.207.255.255 10.223.255.255 10.239.255.255 10.255.255.255
8
4
2
1
S % o w ( o u r w o r k # o r P r o b l e * - i n t % e s ! a c e b e l o w .
Practical Subnetting 7 ased on t-e infor'ation in t-e grap-ic s-own, design a network addressing sc-e'e t-at will sppl t-e *ini*u* nu*ber nu* ber o# %osts !er !e r subne t, and allow enog- e+tra sbnets and -osts for 12*M growt- in all areas. Circle eac- sbnet on t-e grap-ic and answer t-e Bestions below. IP Ad Addr dres ess s +77. +77.+/ +/1. 1.0. 0.0 0 S0 S08808 080 0 S08080 &oter A ;080 ;080
&o(ter
;08+
Ad'inistration :arketing
## Hosts
7* Hosts
9ales
&esearc-
$eplo'ent
1#* Hosts
# Hosts
2** Hosts
Address class
B Csto' sbnet 'ask
255.255.252.0
4 :ini'' n'ber of sbnets needed
+tra sbnets reBired for 12*M growt-
5
G
9
(&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of sbnets needed ne eded N'ber of -ost addresses
363
in t-e largest sbnet grop
N'ber of addresses needed for 12*M growt- in t-e largest sbnet
454
(&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of address
G 817
needed for t-e largest sbnet 9tart wit- t-e first sbnet and arrange or sb>networks fro' t-e largest grop to t-e s'allest. address range for &oter A /ort /ort 6050 177.135.0.0to177.135.3.255 177.135.0.0to177.135.3.255
address range for &esearc- 177.135.4.0to177.135.7.255 177.135.4.0to177.135.7.255 address range for $eplo'ent 177.135.8.0to177.135.11.255 177.135.8.0to177.135.11.255
address range for &oter A
177.135.12.0 to 177.135.15.255 to &oter serial connection
70
*umber of
+osts
65/536 32/768
16/384
8/192
4 /0 96 96
2 /0 /0 48 48 1/024
512
-
512
*umber of 2 4 8 ,ubnets B'nr %&ues - 128 64 32
177.135 . 0
16 16
32 8
64 4
2
10 24 24
128 256 . 1 . 12 1 28 64
64 32
16
2 04 04 8 4/096 8/192
32
16
8
8
16/384
4
#2) #3) #4) #5) #6) #7) #8) #9) #10) #11) #12) #13) #14)
#15) #16)
.
0
1 77.135.0.0
4
to
177.135.3.255
to
177.135.7.255
to
177.135.11.255
to
177.135.15.255
to
177.135.19.255
to
177.135.23.255
to
177.135.27.255
to
177.135.31.255
to
177.135.35.255
to
177.135.39.255
to
177.135.43.255
to
177.135.47.255
to
177.135.51.255
1 1 1 0 0 0 0 1
1 0 0 1 1 0 0 1 1 0
177.135.4.0 1 177 .135.8.0 0 177.135.12.0 1 1 77.135.16.0 0 177.135.20.0 1 0 177.135.24.0 177.135.28.0 1 0 177.135.32.0 177.135.36.0 1 0 177.135.40.0 177.135.44.0 1 0 177.135.48.0
1.
1
0
1
177.135.52.0
to
177.135.55.255
1. 1.
1 1
1 1
0 1
177.135.56.0
to
177.135.59.255
177.135.60.0
to
177.135.63.255
1 1
1. 1. 1. 1
.
1.
2
32/768 65/536
0 0 0 0 0 0 0 . 0 0 0 0 0 0 0 0
#1)
7 1
. 256 128
2
1
S % o w ( o u r w o r k # o r P r o b l e * 7 i n t % e s ! a c e b e l o w .
Practical Subnetting , ased on t-e infor'ation in t-e grap-ic gra p-ic s-own, design a network addressing sc-e'e t-at will sppl t-e *ini*u* nu*ber subnets, subnets , and allow enog- e+tra sbnets and -osts for !*M growt- in all areas. Circle eace ac- sbnet on t-e grap-ic and answer t-e Bestions below.
;080 &oter A
IP Address +52.+-,.+.0 S08080 S0808+
;080
;08+
&oter
New @ork
! Hosts
oston * Hosts
&esearc- $evelop'ent ! Hosts CCCCCCCCCCCCCCCCCCCCCCCCCCCCC
Address class
C CCCCCCCCCCCCCCCCCCCCCCCCCCCCC
Csto' sbnet 'ask
255.255.255.224 3
:ini'' n'ber of sbnets needed
+tra sbnets reBired for !*M growt- CCCCCCCCC N 3 (&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of sbnets needed nee ded CCCCCCCCC G 6 N'ber N'b er of -o -ost st add addres resse ses s in t-e largest sbnet grop 13 N'ber of addresses needed for !*M growt- in t-e largest sbnet
12
G
25
(&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of address needed for t-e largest sbnet
9tart wit- t-e first sbnet and arrange or sb>networks fro' t-e largest grop to t-e s'allest. $ !!ress rn(e for outer A 00 192.168.1.0to192.168.1.31 $ !!ress rn(e for *e or 1#$.16%.1.3$to1#$.16%.1.63
address range for &oter A 192.168.1.64 to 192.168.1.95 to &oter serial connection 72
S%ow (our work #or Proble* , in t%e s!ace below. 256 128 64
32
16
8
4
2
*umber of 2
,ubnets -
128
192. 168 . 1 . 0
4
8 16
64
32 16
0
#1) #2) #3) #4) #5) #6) #7) #8)
32 8
64 128 4
2
*umber of +osts
256 1
- B' B'nr %&ues
0 0 0 0 0 0
0 1
-
1 0 1 1 100 1 01 11 0 1 1 1
192.168.1.0
to
192.168.1.31
192.168.1.32 192.168.1.64 192.168.1.96 192.168.1.128 192.168.1.160 192.168.1.192 192.168.1.224
to to to to to to to
192.168.1.63 192.168.1.95 192.168.1.127 192.168.1.159 192.168.1.1191 192.168.1.223 192.168.1.255
7#
Practical Subnetting 5
345 G2645 ased on t-e infor'ation in t-e grap-ic s-own, design a network addressing sc-e'e t-at will sppl t-e *ini*u* nu*ber nu* ber o# %osts !er !e r subne t, and allow enog- e+tra sbnets and -osts for 1*M growt- in all areas. Circle eac- sbnet on t-e grap-ic and answer t-e Bestions below. IP Address +,.11.0.0 S08080 S0808+ ;08+ &oter A
S0808+
;080 S08080 &oter C
;080
S0808+ &oter $
S08080
&oter
$allas 1*00 Hosts
6t. =ort-
2#00 Hosts
Address class CCCCCCCCCCCCCCCCCCCCCCCCCCCCC
B
CCCCCCCCCCCCCCCCCCCCCCCCCCCCC
255.255.240.0
Csto' sbnet 'ask 5 :ini'' n'ber of sbnets needed
+tra sbnets reBired for 1*M growt-
CCCCCCCCC N
1
(&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of sbnets needed
CCCCCCCCC G
6
N'ber of -ost -ost addresses addresses in t-e largest sbnet grop 2300 N'ber of addresses needed for 1*M growt- in t-e largest sbnet (&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of address needed for t-e largest sbnet 9tart wit- t-e first sbnet and arrange or sb>networks fro' t-e largest grop to t-e s'allest. address range for 6t. =ort- 148.55.0.0.to148.55.15.255 148.55.0.0.to148.55.15.255 address range for $allas 148.55.16.0.to148.55.31.255 148.55.16.0.to148.55.31.255 address range for &oter A 148.55.32.0.to148.55.47.255 to &oter serial connection address range for &oter A 148.55.48.0.to148.55.63.255 to &oter C serial connection address range for &oter C 148.55.64.0.to148.55.79.255
7%
to &oter $ serial connection
*umber of
65/536
3 2/2/ 76 76 8
1 6/6/ 38 38 4 8/192
4/09 6
2 /0 48 48
1 /0 24 24
512
. 256 128
+osts -
02 4 512 1 02
*umber of ,ubnets B'nr %&ues - 128 64
2
0
16
0 0
.
#2) #3) #4) #5) #6) #7) #8) #9) 1 . #10) 1 . #11) 1 . . #12) 1 #13) 1 .
7 *
8
32 16
148. 55 . 0
#1)
4
0 1 0 1 1 0 0 0 1 1 0 1 1 0 0 0 1 1 0 1 1 0 0 0 1 1 0 1 1 1 1 1 1 1 0 0 0 0 1
#14)
1.
1
#15) #16)
1. 1.
1 1
32 64 8
4
2
128 256 . 1 . 12 1 28 64
64 32
16
2 04 04 8 4/096 8/192
32
16
0 0 0 0 . 0 0 0 0 0 0 0 0 148.55.0.0
to
148.55.15.255
148.55.16.0
to
148.55.31.255
148.55.32.0
to
148.55.47.255
148.55.48.0
to
148.55.63.255
148.55.64.0
to
148.55.79.255
148.55.80.0
to
148.55.95.255
148.55.96.0
to
148.55.111.255
148.55.112.0
to
148.55.127.255
148.55.128.0
to
148.55.143.255
148.55.144.0
to
148.55.159.255
148.55.160.0
to
148.55.175.255
148.55.176.0
to
148.55.191.255
148.55.192.0
to
148.55.207.255
148.55.208.0
to
148.55.223.255
148.55.224.0
to
148.55.239.255
148.55.240.0
to
148.55.255.255
8
8
1 6/6/ 38 38 4
4
4
2
3 2/2/ 76 76 8 65/536
2
1
S % o w ( o u r w o r k # o r P r o b l e * 5 i n t % e s ! a c e b e l o w .
Practical Subnetting +0 ased on t-e infor'ation in t-e grap-ic gra p-ic s-own, design a network addressing sc-e'e t-at will sppl t-e *ini*u* nu*ber o# subnets, subnets , and allow enog- e+tra e +tra sbnets and -osts for 110M growt- in all areas. Circle eac- sbnet on t-e grap-ic and answer t-e Bestions below.
IP Address +72.+-.0.0
9ales 11* Hosts ;080
:arketing * Hosts S08080
;080
&oter A
S0808+ &oter
;08+ &esearc-
:anage'ent
#* Hosts
2* Hosts
Address class
B
Csto' sbnet 'ask
255.255.255.240 4
:ini'' n'ber of sbnets needed
+tra sbnets reBired for 110M 110M growt-
5
G
9
(&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of sbnets needed N'ber N'b er of -o -ost st ad addr dres esse ses s in t-e largest sbnet grop
140
N'ber of addresses needed for 154 110M growt- in t-e largest sbnet (&ond p to t-e ne+t w-ole n'ber)
8otal n'ber of address addre ss
G 294
needed for t-e largest sbnet 9tart wit- t-e first sbnet and arrange or sb>networks fro' t-e largest grop to t-e s'allest. address range for 9ales5:anage'nt 172.16.0.0to172.16.15.255 172.16.0.0to172.16.15.255 address range for :arketing 172.16.16.0to172.16.31.255 address range for &esearc- 172.16.32.0to172.16.47.255
address range for &oter A 172.16.48.0 to 172.16.63.255 to &oter serial connection 7
*umber of
65/536
3 2/ 2/ 76 76 8
1 6/ 6/ 38 38 4 8/192
4/09 6
2 /0 48 48
1 /02 4
. 256 128
512
+osts -
512
*umber of 2 4 ,ubnets B'n B' nr r % %&u &ues es - 128 128 64
8 32
172.16 . 0 0 0
#1)
7 7
16
0
.
#2) #3) #4) #5) #6) #7) #8) #9) 1 . #10) 1 . #11) 1 . . #12) 1 #13) 1 .
16
0 1 0 1 1 0 0 0 1 1 0 1 1 0 0 0 1 1 0 1 1 0 0 0 1 1 0 1 1 1 1 1 1 1 0 0 0 0 1
#14)
1.
1
#15) #16)
1. 1.
1 1
32 64 8
4
2
10 24 24
128 256 . 1 . 12 128 64
64 32
16
20 48 48 4/096 8/192
32
16
0 0 0 0 . 0 0 0 0 0 0 0 0 172.16.0.0
to
172.16.15.255
172.16.16.0
to
172.16.31.255
172.16.32.0
to
172.16.47.255
172.16.48.0
to
172.16.63.255
172.16.64.0
to
172.16.79.255
172.16.80.0
to
172.16.95.255
172.16.96.0
to
172.16.111.255
172.16.112.0
to
172.16.127.255
172.16.128.0
to
172.16.143.255
172.16.144.0
to
172.16.159.255
172.16.160.0
to
172.16.175.255
172.16.176.0
to
172.16.191.255
172.16.192.0
to
172.16.207.255
172.16.208.0
to
172.16.223.255
172.16.224.0
to
172.16.239.255
172.16.240.0
to
172.16.255.255
8
8
1 6/ 6/3 84 84
4
4
2
3 2/2/ 76 76 8 65/536
2
1
S % o w ( o u r w o r k # o r P r o b l e * + 0 i n t % e s ! a c e b e l o w .
Valid and Non6Valid IP Addresses ;sing t-e 'aterial in t-is workbook identif w-ic- of t-e addresses below are correct and sable.
Address 0.2#0.1"0.1"2
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC henetor$D"nnotbe0. henetor$D"nnotbe0.
9bnet :ask 2**.0.0.0
eferen"e (e $ns'!e ront Co%er
:; :;
Address 1"2.10.10.1 9bn 9 bnet et :a :ask sk 2* 2**. *.2* 2**. *.2* 2**. *.0 0
eferen"e (es 28-29
Address 2%*.1*0.1"0.10
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC 245'sreser%e!for
9bnet :ask 2**.2**.2**.0
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC eper'ment&use.
eferen"e (e $ns'!e ront Co%er
Address 1#*.70.1"1.2**
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC h's'sthebro!"st!!ress
9bnet :ask 2**.2**.2*%.0
forth'srn(e. CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC forth'srn(e. CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
eferen"e (es 48-49
Address 127.100.100.10
9bnet :ask 2**.0.0.0
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC 127'sreser%e!for&oopb"
test'n(.
eferen"e (es $ns'!e ront Co%er
Address "#.0.12!.1 9bn 9 bnet et :a :ask sk 2* 2**. *.2* 2**. *.22 22%. %.0 0
:; :;
eferen"e (es 56-57
Address 200.10.10.12!
h's 's the subnet !!ress for the
9bnet :ask 2**.2**.2**.22%
3r! usb&e rn(e of 200.10.10.0
eferen"e (es 54-55
Address 1*.100.2**.1!" 9bne 9 bnett :as :ask k 2** 2**.2 .2**. **.2* 2**. *.1"2 1"2
:;
eferen"e (es 30-31
Address 1"0.#*.0.10
h's !!ress 's ten from the f'rst
9bnet :ask 2**.2**.2**.1"2
rn(e for th's subnet h'"h 's 'n%&'!.
eferen"e (es 34-35
Address 21!.#*.*0.1"* 9bnet :ask 2**.2**.0.0
h'shs"&ssBsubnet
ms.
eferen"e (e $ns'!e ront Co%er
Address Address 200.10.10.17* 522 eferen"e (es 54-55 n!or $ns'!e ront Co%er
Address 1#*.70.2**.2** 9bnet :ask 2**.2**.22%.0 eferen"e (es 48-49
7!
A"&ssC!!ressmustuse
m'n'mumof24b'ts. h's'sbro!"st!!ress.
IP Address 'reakdown 82
821
82-
827
82,
825
8/0
!!! 2**. 2* *.2* 2**. *.2* 2**. *.0 0 2* Hosts
!!!1 2**. 2* *.2* 2**. *.2* 2**. *.12 12! ! 12! Hosts
!!!2 2** **..2* 2**. *.2 2** **..1"2 % Hosts
!!!# 2** **..2* 2**. *.2 2** **..22% #2 Hosts
!!!% 2** **..2* 2**. *.2 2** **.2 .2%0 %0 1 Hosts
!!!* 2**. 2* *.2* 2**. *.2* 2**. *.2% 2%! ! ! Hosts 0>7
!!! 2** **..2* 2**. *.2 2** **..2*2 % Hosts 0># %>7 !>11 12>1* 1>1" 20>2# 2%>27 2!>#1 #2>#* #>#" %0>%# %%>%7 %!>*1 *2>** *>*" 0># %>7 !>71 72>7* 7>7" !0>!# !%>!7 !!>"1 "2>"* ">"" 100>10# 10%>107 10!>111 112>11* 11>11" 120>12# 12%>127 12!>1#1 1#2>1#* 1#>1#" 1%0>1%# 1%%>1%7 1%!>1*1 1*2>1** 1*>1*" 10>1# 1%>17 1!>171 172>17* 17>17" 1!0>1!# 1!%>1!7 1!!>1"1 1"2>1"* 1">1"" 200>20# 20%>207 20!>211 212>21* 21>21" 220>22# 22%>227 22!>2#1 2#2>2#* 2#>2#" 2%0>2%# 2%%>2%7 2%!>2*1 2*2>2**
0>1* !>1* 1>2# 1>#1 2%>#1 0># #2>#" #2>%7 %0>%7 %!>** %!># *># 0>127 %>71 %>7" 72>7" !0>!7 !0>"* !!>"* %>127 ">10# ">111 10%>111 112>11" 112>127
120>127 0>2** 12!>1#* 12!>1%# 1#>1%# 1%%>1*1 1%%>1*" 1*2>1*" 12!>1"1 1>17 10>17* 1!>17* 17>1!# 17>1"1 1!%>1"1 12!>2** 1"2>1"" 1"2>207 200>207 20!>21* 20!>22# 21>22# 1"2>2** 22%>2#1 22%>2#" 2#2>2#" 2%0>2%7 2%0>2** 2%!>2**
7"
Visuali $et%od 8-e bo+ 'et-od is t-e si'plest wa to visaliJe t-e breakdown of sbnets and addresses into s'aller siJes. 9tart wit- a sBare. 8-e w-ole sBare is a single sbnet co'prised of 2* addresses.
52% 2**.2**.2**.0 2* Hosts 1 9bnet 9plit t-e bo+ in -alf and o get two sbnets wit- 12! addresses,
52* 2**.2**.2**.12! 12! Hosts 2 9bnets
$ivide t-e bo+ into Barters and o get for sbnets wit- % addresses,
52 2**.2**.2**.1"2 % Hosts % 9bnets !0
9plit eac- individal sBare and o get eig-t sbnets wit- #2 addresses,
527 2**.2**.2**.22% #2 Hosts ! 9bnets 9plit t-e bo+es in -alf again and o get si+teen sbnets witsi+teen addresses,
52! 2**.2**.2**.2%0 1 Hosts 1 9bnets 8-e ne+t split gives o t-irt two sbnets wit- eig-t addresses,
52" 2**.2**.2**.2%! ! Hosts #2 9bnets 8-e last split gives si+t for sbnets wit- for addresses eac-,
5#0 2**.2**.2**.2*2 % Hosts % 9bnets %1
Class A Addressing 3uide
CI"? 5! 5" 510
511 512 51# 51% 51* 51 517 51! 51" 520 521 522 52# 52% 52* 52 527 52! 52" 5#0
@ o# 'its
Subnet
)otal @ o#
)otal @ o#
=sable @ o#
'orrowed
$ask 2**.0.0.0
Subnets
Hosts
1
1,777,21
Hosts 1,777,21%
2**.12!.0.0 2**.1"2.0.0 2**.22%.0.0 2**.2%0.0.0 2**.2%!.0.0 2**.2*2.0.0 2**.2*%.0.0 2**.2**.0.0 2**.2**.12!.0 2**.2**.1"2.0 2**.2**.22%.0 2**.2**.2%0.0 2**.2**.2%!.0 2**.2**.2*2.0 2**.2**.2*%.0 2**.2**.2**.0 2**.2**.2**.12! 2**.2**.2**.1"2 2**.2**.2**.22% 2**.2**.2**.2%0 2**.2**.2**.2%! 2**.2**.2**.2*2
2 % ! 1 #2 % 12! 2* *12 1,02% 2,0%! %,0" !,1"2 1,#!% #2,7! *,*# 1#1,072 22,1%% *2%,2!! 1,0%!,*7 2,0"7,1*2 %,1"%,#0%
!,#!!,0! %,1"%,#0% 2,0"7,1*2 1,0%!,*7 *2%,2!! 22,1%% 1#1,072 *,*# #2,7! 1,#!% !,1"2 %,0" 2,0%! 1,02% *12 2* 12! % #2 1 ! %
!,#!!,0 %,1"%,#02 2,0"7,1*0 1,0%!,*7% *2%,2! 22,1%2 1#1,070 *,*#% #2,7 1,#!2 !,1"0 %,0"% 2,0% 1,022 *10 *1 0 2*% 2* % 12 12 2 #0 1% 2
0 1 2 # % * 7 ! " 10 11 12 1# 1% 1* 1 17 1! 1" 20 21 22
Class ' Addressing 3uide
@ o# 'its
Subnet
)otal @ o#
)otal @ o#
=sable @ o#
CI"?
'orrowed
Subnets
Hosts
51 517 51! 51" 520 521 522 52# 52% 52* 52 527 52! 52" 5#0
0 1 2 # % * 7 ! "
$ask 2**.2**.0.0
1
*,*#
Hosts *,*#%
2**.2**.12!.0 2**.2**.1"2.0 2**.2**.22%.0 2**.2**.2%0.0 2**.2**.2%!.0 2**.2**.2*2.0 2**.2**.2*%.0 2**.2**.2**.0 2**.2**.2**.12! 2**.2**.2**.1"2 2**.2**.2**.22% 2**.2**.2**.2%0 2**.2**.2**.2%! 2**.2**.2**.2*2
2 % ! 1 #2 % 12! 2* *12 1,02% 2,0%! %,0" !,1"2 1,#!%
#2,7! 1,#!% !,1"2 %,0" 2,0%! 1,02% *12 2* 12! % #2 1 ! %
#2,7 1,#!2 !,1"0 %,0"% 2,0% 1,022 *10 2*% 12 2 #0 1% 2
10 11 12 1# 1%
Class C Addressing 3uide @ o# 'its
Subnet
)otal @ o#
)otal @ o#
CI"?
'orrowed
$ask
Subnets
Hosts
52%
0 1 2 # % *
2**.2**.2**.0 2**.2**.2**.12! 2**.2**.2**.1"2 2**.2**.2**.22% 2**.2**.2**.2%0 2**.2**.2**.2%! 2**.2**.2**.2*2
52* 52 527 52! 52" 5#0
!2
1 2 % ! 1 #2 %
2* 12! % #2 1 ! %
=sable @ o# Hosts 2*% 2* % 12 12 2 #0 1% 2