Network Classes

Network Classes

7 bits 24 bits
Class A 0 netid hostid
0
14 bits 16 bits
Class B 1 0 netid hostid
>=128
21 bits 8 bits
Class C 1 1 0 netid hostid
>=192
28 bits
Class D 1 1 1 0 multicast group ID
>=224
28 bits
Class E 1 1 1 1 (reserved for future use)
>=240


Class Range
A 0.0.0.0 to 127.255.255.255
B 128.0.0.0 to 191.255.255.255
C 192.0.0.0 to 223.255.255.255
D 224.0.0.0 to 239.255.255.255
E 240.0.0.0 to 255.255.255.255



more to come on this particular topic later .

amisauv !