NETGEAR ME103 User Manual

Page 85

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Reference Manual for the ME103 802.11b ProSafe Wireless Access Point

Network, Routing, Firewall, and Cabling Basics

C-3

August 2003

Figure 6-3: 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 eight-bit
network number and a 24-bit node number. Class A addresses are in this range:

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 16-bit
network number and a 16-bit node number. Class B addresses are in this range:

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.

7261

Class A

Network

Node

Class B

Class C

Network

Node

Network

Node

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