Answer / kanipakambalaji

Class A
N.H.H.H-for one network
Ex 1.0.0.0-1.255.255.255=16581375

Networks=126*16581375


Class B

N.N.H.H
172.168.1.0-172.168.255.255=65000
Networks=16384*65000

Class C
N.N.N.H

192.168.1.0-192.1681.255=255

Networks=2,097,152*255

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