1.0.0.1 to 126.255.255.254
Class A
128.1.0.1 to 191.255.255.254
Clas B
192.0.1.1 to 223.255.254.254
Class C
224.0.0.0 to 239.255.255.255
Class D
240.0.0.0 to 254.255.255.254
Class E
Private Address Space 10.0.0.0 to 10.255.255.255
Class A
Private Address Space Class B
172.16.0.0 to 172.31.255.255
Private Address Space Class C
192.168.0.0 to 192.168.255.255
Default Subnet Masks 255.0.0.0
Class A
Default Subnet Masks 255.255.0.0
Class B
Default Subnet Masks 255.255.255.0
class c