| Class A | Public | 1.0.0.0 | - | 9.255.255.255 |
| Private | 10.0.0.0 | - | 10.255.255.255 | |
| Public | 11.0.0.0 | - | 126.255.255.255 | |
| localhost | 127.0.0.0 | - | 127.255.255.255 | |
| Class B | Public | 128.0.0.0 | - | 172.15.255.255 |
| Private | 172.16.0.0 | - | 172.31.255.255 | |
| Public | 172.32.0.0 | - | 191.255.255.255 | |
| Class C | Public | 192.0.0.0 | - | 192.167.255.255 |
| Private | 192.168.0.0 | - | 192.168.255.255 | |
| Public | 192.169.0.0 | - | 223.255.255.255 |