ZyXEL Communications eir F1000 User Manual page 312

Appendix B IP Addresses and Subnetting
Table 132 Subnet 1 (continued)
IP/SUBNET MASK
Subnet Address:
192.168.1.0
Broadcast Address:
192.168.1.63
Table 133 Subnet 2
IP/SUBNET MASK
IP Address
IP Address (Binary)
Subnet Mask (Binary)
Subnet Address:
192.168.1.64
Broadcast Address:
192.168.1.127
Table 134 Subnet 3
IP/SUBNET MASK
IP Address
IP Address (Binary)
Subnet Mask (Binary)
Subnet Address:
192.168.1.128
Broadcast Address:
192.168.1.191
Table 135 Subnet 4
IP/SUBNET MASK
IP Address
IP Address (Binary)
Subnet Mask (Binary)
Subnet Address:
192.168.1.192
Broadcast Address:
192.168.1.255
Example: Eight Subnets
Similarly, use a 27-bit mask to create eight subnets (000, 001, 010, 011, 100, 101, 110 and 111).
The following table shows IP address last octet values for each subnet.
Table 136 Eight Subnets
SUBNET
1
2
312
NETWORK NUMBER
Lowest Host ID: 192.168.1.1
Highest Host ID: 192.168.1.62
NETWORK NUMBER
192.168.1.
11000000.10101000.00000001.
11111111.11111111.11111111.
Lowest Host ID: 192.168.1.65
Highest Host ID: 192.168.1.126
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
Highest Host ID: 192.168.1.254
SUBNET
FIRST ADDRESS
ADDRESS
0 1
32 33
LAST OCTET BIT
VALUE
LAST OCTET BIT
VALUE
64
01000000
11000000
LAST OCTET BIT VALUE
128
10000000
11000000
LAST OCTET BIT VALUE
192
11000000
11000000
LAST BROADCAST
ADDRESS ADDRESS
30 31
62 63
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