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单词 Table I-3: IPv4 Address Classes
释义

Table I-3: IPv4 Address Classes

Class

Address Range

Networks per Class

Hosts per Network

A

1.0.0.1 to 126.255.255.254

126

16,777,214

B

128.0.0.1 to 191.255.255.254

16,384

65,534

C

192.0.0.1 to 223.255.255.254

2,097,152

254

D

Reserved for multicast purposes

E

Reserved for experimental use

The Internet Corporation for Assigned Names and Numbers (ICANN) assigns public IP addresses to organizations desiring to place computers on the Internet.Theoretically speaking, the size of the user organ-

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