Subnetting and Routing in Networking

ITECH1102 Networking and Security
Let us assume that our ISP provided IP address is 115.221.141.106/24, then our sub network table will be as the below table;
Name Hosts
Needed
Hosts
Available
Unused
Hosts
Network
Address
Slas
h
Mask Usable Range Broadcast Wildcard
New South Wales
(NSW)A
4194302 4194302 0 115.192.0.0 /10 255.192.0.0 115.192.0.1 -
115.255.255.254
115.255.255.25
5
0.63.255.255
Victoria (VIC) 4000000 4194302 194302 116.0.0.0 /10 255.192.0.0 116.0.0.1 -
116.63.255.254
116.63.255.255 0.63.255.255
Queensland (QLD) 3000000 4194302 1194302 116.64.0.0 /10 255.192.0.0 116.64.0.1 -
116.127.255.254
116.127.255.25
5
0.63.255.255
Western Australia
(WA)
2000000 2097150 97150 116.128.0.0 /11 255.224.0.0 116.128.0.1 -
116.159.255.254
116.159.255.25
5
0.31.255.255
New South Wales
(NSW)B
1805698 2097150 291452 116.160.0.0 /11 255.224.0.0 116.160.0.1 -
116.191.255.254
116.191.255.25
5
0.31.255.255
South Australia
(SA)
1000000 1048574 48574 116.192.0.0 /12 255.240.0.0 116.192.0.1 -
116.207.255.254
116.207.255.25
5
0.15.255.255
Tasmania (TAS)A 262142 262142 0 116.208.0.0 /14 255.252.0.0 116.208.0.1 -
116.211.255.254
116.211.255.25
5
0.3.255.255
Northern
Territory (NT)A
131072 262142 131070 116.212.0.0 /14 255.252.0.0 116.212.0.1 -
116.215.255.254
116.215.255.25
5
0.3.255.255
Tasmania (TAS)B 37858 65534 27676 116.216.0.0 /16 255.255.0.0 116.216.0.1 -
116.216.255.254
116.216.255.25
5
0.0.255.255
Northern
Territory (NT)B
18928 32766 13838 116.217.0.0 /17 255.255.128.0 116.217.0.1 -
116.217.127.254
116.217.127.25
5
0.0.127.255
Between R1 and
R2
2 2 0 116.217.128.0 /30 255.255.255.252 116.217.128.1 -
116.217.128.2
116.217.128.3 0.0.0.3
Between R1 and
R3
2 2 0 116.217.128.4 /30 255.255.255.252 116.217.128.5 -
116.217.128.6
116.217.128.7 0.0.0.3
Between R2 and
R4
2 2 0 116.217.128.8 /30 255.255.255.252 116.217.128.9 -
116.217.128.10
116.217.128.11 0.0.0.3
Between R4 and
R5
2 2 0 116.217.128.12 /30 255.255.255.252 116.217.128.13 -
116.217.128.14
116.217.128.15 0.0.0.3

Between R5 and
R6
2 2 0 116.217.128.16 /30 255.255.255.252 116.217.128.17 -
116.217.128.18
116.217.128.19 0.0.0.3
Between R3 and
R5
2 2 0 116.217.128.20 /30 255.255.255.252 116.217.128.21 -
116.217.128.22
116.217.128.23 0.0.0.3

WA
NT
NS
W
QLD
VIC
TAS
SA
ITECH1102 Networking and Security
IP Address (NT) 116.212.0.0, 116.217.0.0
Subnet Mask 255.252.0.0, 255.255.128.0
Number of
Address
163838
Appendix A
IP Address (SA) 116.192.0.0
Subnet Mask 255.240.0.0
Number of Address 1048574
IP Address (TAS) 116.208.0.0,116.216.0.0
Subnet Mask 255.252.0.0,255.255.0.0
Number of Address 327,676
Page 1: Insert IP address and the Subnet Mask in the box provided for each state
IP Address (WA) 116.128.0.0
Subnet Mask 255.224.0.0
Number of Address 2097150