Ranges inside 72.3.0.0/16
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 72.3.0.0/17 | 32.8K | Illinois Century Network | AS6325 | US |
| 72.3.0.0/17 | 32.8K | — | — | US |
| 72.3.128.0/17 | 32.8K | Rackspace Hosting | AS33070 | US |
| 72.3.224.0/20 | 4.1K | — | — | US |
| 72.3.208.0/20 | 4.1K | — | — | US |
| 72.3.176.0/20 | 4.1K | — | — | US |
| 72.3.240.0/20 | 4.1K | — | — | US |
| 72.3.128.0/20 | 4.1K | — | — | US |
| 72.3.144.0/20 | 4.1K | — | — | US |
| 72.3.168.0/21 | 2.0K | — | — | US |
| 72.3.200.0/21 | 2.0K | — | — | US |
| 72.3.192.0/22 | 1.0K | — | — | US |
| 72.3.160.0/22 | 1.0K | — | — | US |
| 72.3.196.0/23 | 512 | — | — | US |
| 72.3.166.0/23 | 512 | — | — | US |
| 72.3.198.0/24 | 256 | — | — | US |
| 72.3.165.0/24 | 256 | — | — | US |
| 72.3.164.0/25 | 128 | — | — | US |
| 72.3.199.0/25 | 128 | — | — | US |
| 72.3.164.192/26 | 64 | — | — | US |
| 72.3.199.128/26 | 64 | — | — | US |
| 72.3.199.224/27 | 32 | — | — | US |
| 72.3.164.160/27 | 32 | — | — | US |
| 72.3.164.144/28 | 16 | — | — | US |
| 72.3.199.208/28 | 16 | — | — | US |
| 72.3.164.136/29 | 8 | — | — | US |
| 72.3.199.200/29 | 8 | — | — | US |
| 72.3.199.192/29 | 8 | — | — | US |
| 72.3.164.128/29 | 8 | — | — | US |