Answer Posted / debendranath biswal

IP Address is classified into five classes ,these are-:
Class A Range from 0 to 126.
Class B Range from 128 to 191.
Class C Range from 192 to 223.
Class D Range from 224 to 239.
Class E Range from 240 to 254.

Class A,B & C are all for LAN,WAN Networks users but class
D is for multicasting(254.255.255.255).
E is for research.
Broadcast id=255.255.255.255

ip 127.0.0.1 is use for loopback address
These address are public address & private address-
CLASS A: 10.0.0.0 - 10.255.255.255
CLASS B: 172.16.0.0 - 172.31.255.255
CLASS C : 192.168.0.0 - 192.168.255.255

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