
Vantage RADIUS User’s Guide
H-6 IP Subnetting
IP Address 192.168.1. 64
IP Address (Binary) 11000000.10101000.00000001.
01000000
Subnet Mask (Binary) 11111111.11111111.11111111.
11000000
Subnet Address: 192.168.1.64 Lowest Host ID: 192.168.1.65
Broadcast Address: 192.168.1.127 Highest Host ID: 192.168.1.126
Chart H-9 Subnet 3
NETWORK NUMBER LAST OCTET BIT VALUE
IP Address 192.168.1. 128
IP Address (Binary) 11000000.10101000.00000001.
10000000
Subnet Mask (Binary) 11111111.11111111.11111111.
11000000
Subnet Address: 192.168.1.128 Lowest Host ID: 192.168.1.129
Broadcast Address: 192.168.1.191 Highest Host ID: 192.168.1.190
Chart H-10 Subnet 4
NETWORK NUMBER LAST OCTET BIT VALUE
IP Address 192.168.1. 192
IP Address (Binary) 11000000.10101000.00000001.
11000000
Subnet Mask (Binary) 11111111.11111111.11111111.
11000000
Subnet Address: 192.168.1.192 Lowest Host ID: 192.168.1.193
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).
The following table shows class C IP address last octet values for each subnet.
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