見たまんま。
| /32 | 255.255.255.255 | 1 |
| /31 | 255.255.255.254 | 2 |
| /30 | 255.255.255.252 | 4 |
| /29 | 255.255.255.248 | 8 |
| /28 | 255.255.255.240 | 16 |
| /27 | 255.255.255.224 | 32 |
| /26 | 255.255.255.192 | 64 |
| /25 | 255.255.255.128 | 128 |
| /24 | 255.255.255.0 | 256 |
| /23 | 255.255.254.0 | 512 |
| /22 | 255.255.252.0 | 1024 |
| 21 | 2 |
| 22 | 4 |
| 23 | 8 |
| 24 | 16 |
| 25 | 32 |
| 26 | 64 |
| 27 | 128 |
| 28 | 256 |
| 29 | 512 |
| 210 | 1024 |
| 10.0.0.0 - 10.255.255.255 | 255.0.0.0 | 16,777,216 (16,777,216x1subnet) |
| 172.16.0.0 - 172.31.255.255 | 255.240.0.0 | 1,048,576 (65,536x16subnet) |
| 192.168.0.0 - 192.168.255.255 | 255.255.0.0 | 65,536 (256x256subnet) |
でござんす。
