Explained in more detail in the table “Network Class Characteristics,” you will see how each network class differs further by the leading bit identifier, the address range, the number of each type available, and the maximum number of hosts each class allows.

Table A.2 Network Class Characteristics

Class

Leading

Address Range

Maximum

Maximum

 

Bit

 

number of

hosts in the

 

Identifier

 

networks in

network

 

 

 

the class

 

 

 

 

 

 

A

0

0.0.0.0 to

126

Over 16 Million

 

 

127.255.255.255

 

 

 

 

 

 

 

B

10

128.0.0.0 to

16,382

65,534

 

 

191.255.255.255

 

 

 

 

 

 

 

C

110

192.0.0.0 to

Over 2 Million

254

 

 

223.255.255.255

 

 

 

 

 

 

 

88 TCP/IP Overview

ENWW