ZyXEL Communications ZyXEL Vantage VSG-1000 - Manual (Page 123)

VSG-1000 Vantage Service Gateway
IP Subnetting Q
Chart 11 Subnet 1
NETWORK NUMBER LAST OCTET BIT VALUE
IP Address (Binary) 11000000.10101000.00000001. 00000000
Subnet Mask (Binary) 11111111.11111111.11111111. 11000000
Subnet Address: 192.168.1.0 Lowest Host ID: 192.168.1.1
Broadcast Address: 192.168.1.63 Highest Host ID: 192.168.1.62
Chart 12 Subnet 2
NETWORK NUMBER LAST OCTET BIT VALUE
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 13 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 14 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.
Chart 15 Eight Subnets
SUBNET SUBNET
ADDRESS
FIRST
ADDRESS
LAST ADDRESS BROADCAST
ADDRESS
1 0 1 30 31
2 32 33 62 63
3 64 65 94 95