ipaddr
| Class | Range |
| A | 0-127 |
| B | 128-191 |
| C | 192-223 |
| Address Block | Description |
| 10.0.0.0/8 | Private network |
| 127.0.0.0/8 | Loopback |
| 169.254.0.0/16 | Link-Local |
| 172.16.0.0/12 | Private network |
| 192.168.0.0/16 | Private network |
| 224.0.0.0/4 | Multicasts |
| 240.0.0.0/4 | Reserved |
| 255.255.255.255 | Broadcast |
| Prefix | Netmask | Usable hosts |
| /24 | 255.255.255.0 | 254 |
| /25 | 255.255.255.128 | 126 |
| /26 | 255.255.255.192 | 62 |
| /27 | 255.255.255.224 | 30 |
| /28 | 255.255.255.240 | 14 |
| /29 | 255.255.255.248 | 6 |
| /30 | 255.255.255.252 | 2 |
ipaddr.txt · Last modified: 2017/11/10 02:13 by mark
