IP Address Classification

IP address Category:
A: First for 0;1.0.0.0~126.0.0.0; host number 24 bit
B: top two is 10;128.1.0.0~191.255.0.0; host number 16 bit
C: top three is 110;192.0.1.0~ 223.255.255.0 Host number 8 bit
D: top four 1110;224.0.0.0~239.255.255.255 
E: top four 1111;240.0.0.0~255.255.255.254
A network address with a host number of 0 that represents the network itself. For example, 202.120.95.0 represents a Class C network.
the host number is reserved for 1 addresses as directed broadcasts. For example, 202.120.95.255 represents a broadcast address.
127.0.0.0 is reserved for loopback to test TCP/IP and communication between native processes. Therefore, the network number of 127 of the packet will never appear on the network, and the host or router can never be 127 of the address of the route or accessibility information. He is not a network address. of the

3 main types of IP address, 3 areas are reserved for private addresses, and their addresses range as follows: 

Class A address: 10.0.0.0~10.255.255.255 

B Address: 172.16.0.0~172.31.255.255 

class C address: 192.168.0.0~192.168.255.255

There is also a full 1 network address, that is, 255.255.255.255 is a limited network address for broadcast ...