| CIDR range notation examples | |||
| CIDR format | First host | Last host | Number of hosts |
| 192.168.0.1/24 | 192.168.0.1 | 192.168.0.254 | 254 |
| 192.168.0.1/25 | 196.168.0.1 | 192.168.0.126 | 126 |
| 192.168.0.1/26 | 192.168.0.1 | 192.168.0.62 | 62 |
| 192.168.0.1/27 | 192.168.0.1 | 192.168.0.30 | 30 |
| 192.168.0.1/29 | 192.168.0.1 | 192.168.0.9 | 6 |
| 192.168.0.9/29 | 192.168.0.9 | 192.168.0.14 | 6 |
| 192.168.0.10/30 | 192.168.0.10 | 192.168.0.11 | 2 |
| 10.0.0.0/8 | 10.0.0.1 | 10.255.255.254 | 16777214 |
| 10.0.1.17/28 | 10.0.1.17 | 10.0.1.30 | 14 |
2011年12月13日 星期二
rules
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