Appendix B IP Addresses and Subnetting

Table 55 Subnet 2

IP/SUBNET MASK

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:

Lowest Host ID: 192.168.1.65

 

 

192.168.1.64

 

 

 

 

 

 

 

Broadcast Address:

Highest Host ID: 192.168.1.126

 

 

192.168.1.127

 

 

 

 

 

 

 

Table 56 Subnet 3

 

 

 

IP/SUBNET MASK

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:

Lowest Host ID: 192.168.1.129

 

 

192.168.1.128

 

 

 

 

 

 

 

Broadcast Address:

Highest Host ID: 192.168.1.190

 

 

192.168.1.191

 

 

 

 

 

 

 

Table 57 Subnet 4

 

 

 

IP/SUBNET MASK

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:

Lowest Host ID: 192.168.1.193

 

 

192.168.1.192

 

 

 

 

 

 

 

Broadcast Address:

Highest Host ID: 192.168.1.254

 

 

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 58

Eight Subnets

 

 

 

SUBNET

 

SUBNET

FIRST ADDRESSLASTBROADCAST

 

ADDRESS

ADDRESS

ADDRESS

 

 

 

1

 

0

1

30

31

 

 

 

 

 

 

2

 

32

33

62

63

 

 

 

 

 

 

3

 

64

65

94

95

 

 

 

 

 

 

4

 

96

97

126

127

 

 

 

 

 

 

5

 

128

129

158

159

 

 

 

 

 

 

6

 

160

161

190

191

 

 

 

 

 

 

134

 

WAP3205 v2 User’s Guide