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 | Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v3 | |||
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NetworkNode
Figure 7-1:  Three Main Address Classes
The five address classes are:
•Class A
Class A addresses can have up to 16,777,214 hosts on a single network. They use an 
1.x.x.x to 126.x.x.x.
•Class B
Class B addresses can have up to 65,354 hosts on a network. A Class B address uses a 
128.1.x.x to 191.254.x.x.
•Class C
Class C addresses can have 254 hosts on a network. Class C addresses use 24 bits for the network address and eight bits for the node. They are in this range:
192.0.1.x to 223.255.254.x.
•Class D
Class D addresses are used for multicasts (messages sent to many hosts). Class D addresses are in this range:
224.0.0.0 to 239.255.255.255.
•Class E
Class E addresses are for experimental use.
| Network, Routing, Firewall, and Basics | 
