Network Class | Netmask | Network Addresses | # of Networks in class | # of hosts supported |
A | 255.0.0.0 | 10.0.0.0-10.255.255.255 | 254 | 16,000,000 |
B | 255.255.0.0 | 172.16.0.0-172.31.255.255 | 64,000 | 64,000 |
C | 255.255.255.0 | 192.168.0.0-192.168.255.255 | 16,000,000 | 254 |