Example: Eight Subnets; Table 56 Table; Table 61 Eight Subnets; Table 59 Subnet 3 - Nortel 252 Configuration

Table 59 Subnet 3

IP Address
IP Address (Binary)
Subnet Mask (Binary)
Subnet Address: 192.168.1.128
Broadcast Address:
192.168.1.191

Table 60 Subnet 4

IP Address
IP Address (Binary)
Subnet Mask (Binary)
Subnet Address: 192.168.1.192
Broadcast Address: 192.168.1.255 Highest Host ID: 192.168.1.254

Example: eight subnets

Similarly, use a 27-bit mask to create 8 subnets (001, 010, 011, 100, 101, 110).
Table 61

Table 61 Eight subnets

Subnet Subnet Address
1 0
2 32
3 64
4 96
5 128
6 160
Network number
192.168.1.
11000000.10101000.00000001.
11111111.11111111.11111111.
Lowest Host ID: 192.168.1.129
Highest Host ID: 192.168.1.190
Network number
192.168.1.
11000000.10101000.00000001.
11111111.11111111.11111111.
Lowest Host ID: 192.168.1.193
shows class C IP address last-octet values for each subnet.
First Address
1
33
65
97
129
161
Nortel Business Secure Router 252 Configuration — Advanced
Appendix F IP subnetting 263
Last Octet Bit Value
128
10000000
11000000
Last Octet Bit Value
192
11000000
11000000
Last Address Broadcast Address
30 31
62 63
94 95
126 127
158 159
190 191