IP address is the identity of a node, where there is a network requires an IP address, if you are a bare metal, do not need to surf the Internet, do not need to communicate with the LAN, you do not need to configure the IP address.
The IP address is divided into two categories: public IP address and private network IP address
IP addresses are divided into two categories according to version: IPV4 version and IPV6 version
The IP address is divided into five categories according to the establishment: ABCDE five categories
The IP address is expressed in dotted decimal form, the IP address is divided into 4 segments, ABCDE Five classes is to see the IP address of the first paragraph in which range, to prove that the IP address belongs to which type of IP address. The IP address range is 0-255, the binary full 0, the binary full 1 IP address is not available.
A 1-126
B 128-191
C 192-223
D 224-239
E 240-254
Talking about IP address-1
