IP Address Classes



Class A:-
1 – 127 (Network 127 is reserved for loopback and internal testing) Leading bit pattern 0 00000000.00000000.00000000.00000000Network . Host . Host . Host .

Class B:-
128 – 191 Leading bit pattern 10 10000000.00000000.00000000.00000000Network . Network . Host . Host .

Class C:-
192 – 223 Leading bit pattern 110 11000000.00000000.00000000.00000000Network . Network . Network . Host .

Class D:-
224 – 239 (Reserved for multicast).

Class E:-
240 – 255 (Reserved for experimental, used for research).

Private Address Space

Class A:- 10.0.0.0 to 10.255.255.255

Class B:- 172.16.0.0 to 172.31.255.255

Class C:- 192.168.0.0 to 192.168.255.255

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