IP子网范围查询

| CIDR             | 起始IP           | 结束IP             | 子网掩码             | IP数量       |
|------------------|------------------|--------------------|----------------------|--------------|
| 192.168.1.0/32   | 192.168.1.0      | 192.168.1.0        | 255.255.255.255      | 1            |
| 192.168.1.0/31   | 192.168.1.0      | 192.168.1.1        | 255.255.255.254      | 2            |
| 192.168.1.0/30   | 192.168.1.0      | 192.168.1.3        | 255.255.255.252      | 4            |
| 192.168.1.0/29   | 192.168.1.0      | 192.168.1.7        | 255.255.255.248      | 8            |
| 192.168.1.0/28   | 192.168.1.0      | 192.168.1.15       | 255.255.255.240      | 16           |
| 192.168.1.0/27   | 192.168.1.0      | 192.168.1.31       | 255.255.255.224      | 32           |
| 192.168.1.0/26   | 192.168.1.0      | 192.168.1.63       | 255.255.255.192      | 64           |
| 192.168.1.0/25   | 192.168.1.0      | 192.168.1.127      | 255.255.255.128      | 128          |
| 192.168.1.0/24   | 192.168.1.0      | 192.168.1.255      | 255.255.255.0        | 256          |
| 192.168.0.0/23   | 192.168.0.0      | 192.168.1.255      | 255.255.254.0        | 512          |
| 192.168.0.0/22   | 192.168.0.0      | 192.168.3.255      | 255.255.252.0        | 1024         |
| 192.168.0.0/21   | 192.168.0.0      | 192.168.7.255      | 255.255.248.0        | 2048         |
| 192.168.0.0/20   | 192.168.0.0      | 192.168.15.255     | 255.255.240.0        | 4096         |
| 192.168.0.0/19   | 192.168.0.0      | 192.168.31.255     | 255.255.224.0        | 8192         |
| 192.168.0.0/18   | 192.168.0.0      | 192.168.63.255     | 255.255.192.0        | 16384        |
| 192.168.0.0/17   | 192.168.0.0      | 192.168.127.255    | 255.255.128.0        | 32768        |
| 192.168.0.0/16   | 192.168.0.0      | 192.168.255.255    | 255.255.0.0          | 65536        |
| 192.168.0.0/15   | 192.168.0.0      | 192.169.255.255    | 255.254.0.0          | 131072       |
| 192.168.0.0/14   | 192.168.0.0      | 192.171.255.255    | 255.252.0.0          | 262144       |
| 192.168.0.0/13   | 192.168.0.0      | 192.175.255.255    | 255.248.0.0          | 524288       |
| 192.160.0.0/12   | 192.160.0.0      | 192.175.255.255    | 255.240.0.0          | 1048576      |
| 192.160.0.0/11   | 192.160.0.0      | 192.191.255.255    | 255.224.0.0          | 2097152      |
| 192.128.0.0/10   | 192.128.0.0      | 192.191.255.255    | 255.192.0.0          | 4194304      |
| 192.128.0.0/9    | 192.128.0.0      | 192.255.255.255    | 255.128.0.0          | 8388608      |
| 192.0.0.0/8      | 192.0.0.0        | 192.255.255.255    | 255.0.0.0            | 16777216     |
| 192.0.0.0/7      | 192.0.0.0        | 193.255.255.255    | 254.0.0.0            | 33554432     |
| 192.0.0.0/6      | 192.0.0.0        | 195.255.255.255    | 252.0.0.0            | 67108864     |
| 192.0.0.0/5      | 192.0.0.0        | 199.255.255.255    | 248.0.0.0            | 134217728    |
| 192.0.0.0/4      | 192.0.0.0        | 207.255.255.255    | 240.0.0.0            | 268435456    |
| 192.0.0.0/3      | 192.0.0.0        | 223.255.255.255    | 224.0.0.0            | 536870912    |
| 192.0.0.0/2      | 192.0.0.0        | 255.255.255.255    | 192.0.0.0            | 1073741824   |
| 128.0.0.0/1      | 128.0.0.0        | 255.255.255.255    | 128.0.0.0            | 2147483648   |