ipv4
Network classes:
| class | from | to | netmask |
|---|---|---|---|
| A | 1.0.0.0 | 127.0.0.0 | 255.0.0.0 |
| B | 128.0.0.0 | 191.255.0.0 | 255.255.0.0 |
| C | 192.0.0.0 | 223.255.255.0 | 255.255.255.0 |
| class | nets | hosts |
|---|---|---|
| A | 128 | 16,777,214 |
| B | 16,384 | 65,534 |
| C | 2,097,152 | 256 |
Private networks (RFC 1597):
| class | from | to | netmask |
|---|---|---|---|
| A | 10.0.0.0 | 10.255.255.255 | 255.0.0.0 |
| B | 172.16.0.0 | 172.31.255.255 | 255.255.0.0 |
| C | 192.168.0.0 | 192.255.255.255 | 255.255.255.0 |
