In the IP protocol, IP addresses are divided into several categories:

In the IP protocol, IP addresses are divided into five categories, namely A, B, C, D, and E.

Class A addresses (1.0.0.0-126.255.255.255) are used for the largest networks, which can have up to 16777216 nodes.

Class B addresses (128.0.0.0-191.255.255.255) are generally used for medium-sized networks.

Class C addresses (192.0.0.0~223.255.255.255) are generally used for small networks.

Class D addresses (224.0.0.0-239.255.255.255) are generally used for multicast users. is a multicast address. The beginning of this type of IP address is "1110", so the network number of the address ranges from 224 to 239.

Class E addresses (240.0.0.0-255.255.255.254) are reserved addresses.

The above is the detailed content of In the IP protocol, IP addresses are divided into several categories:. For more information, please follow other related articles on the PHP Chinese website!