HP-UX LAN Administrator's Guide (Feburary 2007)

Network AddressingDRAFT COPY
Variable-Length Subnet Addressing
Chapter 7124
NOTE In a Class C network, no two subnets can have more than 125 hosts.
Summary network information:
Company division network = 192.6.12
Facility LAN subnet
Subnet mask: 255.255.255.248
Subnet number: 16
Mirror image subnet number: 1
Subnet address: 192.6.12.128
Host address range: 129 to 134
Host A internet address: 192.6.12.129 for network interface lan0
Host B internet address: 192.6.12.131 for network interface lan0
Host C internet address: 192.6.12.130 for network interface lan0
Host D internet address: 192.6.12.132 for network interface lan0
Marketing Department Subnet
Subnet mask: 255.255.255.192
Subnet number: 1
Table 7-11 Variable-Length Subnet Addressing in a Class C Network
Subnet
Mask
255.255.255
Subnet
Number
Mirror
Image
Subnet
Number
Subnet
Address
Internet Address
Range
248 16
(10000)
1
(00001)
n.n.n.128 n.n.n.129 - n.n.n.134
192 1
(01)
2
(10)
n.n.n.64 n.n.n.65-n.n.n.126
128 1
(01)
2
(10)
n.n.n.0 n.n.n.1-n.n.n.126
n.n.n.129-n.n.n.254
224 6
(110)
3
(011)
n.n.n.192 n.n.n.193-n.n.n.222
240 2
(0010)
4
(0100)
n.n.n.32 n.n.n.33-n.n.n.46