Class Leading bits End address Default Subnet Mask Class A 0 127.255.255.255 255.0.0.0 Class B 10 191.255.255.255 255.255.0.0 Class C 110 223.255.255.255 255.255.255.0 Class D (multicast) 1110 239.255.255.255 255.255.255.255
Class Leading bits End address Default Subnet Mask Class A 0 127.255.255.255 255.0.0.0 Class B 10 191.255.255.255 255.255.0.0 Class C 110 223.255.255.255 255.255.255.0 Class D (multicast) 1110 239.255.255.255 255.255.255.255