Classification range of IP addr
IP address:
Ipv4- >
There are five types of addresses, which are Class A, Class B, Class C, Class D and Class E. only three types of ABC are useful to us, and the remaining two categories are used for research.
Class A: the first paragraph of IP is from 1-127,
Class B: the first paragraph of IP is from 127191.
Class C: the first paragraph of IP is from 192-223
