Summary
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 2005-02-23 |
| Last Updated | 2026-08-26 |
| 72.31.0.0/24 | N/A | 0 | 1 | 1 |
| 72.31.8.0/24 | N/A | 0 | 1 | 1 |
| 72.31.11.0/24 | N/A | 0 | 1 | 1 |
| 72.31.12.0/24 | N/A | 0 | 1 | 1 |
| 72.31.13.0/24 | N/A | 0 | 1 | 1 |
| 72.31.14.0/24 | N/A | 0 | 1 | 1 |
| 72.31.15.0/24 | N/A | 0 | 1 | 1 |
| 72.31.16.0/24 | N/A | 0 | 1 | 1 |
| 72.31.24.0/24 | N/A | 0 | 1 | 1 |
| 72.31.28.0/24 | N/A | 0 | 1 | 1 |
| 72.31.32.0/24 | N/A | 0 | 1 | 1 |
| 72.31.64.0/24 | N/A | 0 | 1 | 2 |
| 72.31.80.0/24 | N/A | 0 | 1 | 1 |
| 72.31.92.0/24 | N/A | 0 | 1 | 1 |
| 72.31.96.0/24 | N/A | 0 | 1 | 1 |
| 72.31.115.0/24 | N/A | 0 | 1 | 1 |
| 72.31.120.0/24 | N/A | 0 | 1 | 1 |
| 72.31.121.0/24 | N/A | 0 | 1 | 1 |
| 72.31.126.0/24 | N/A | 0 | 1 | 1 |
| 72.31.128.0/24 | N/A | 0 | 1 | 1 |
| 72.31.144.0/24 | N/A | 0 | 1 | 1 |
| 72.31.146.0/24 | N/A | 0 | 1 | 1 |
| 72.31.148.0/24 | N/A | 0 | 1 | 1 |
| 72.31.150.0/24 | N/A | 0 | 1 | 1 |
| 72.31.160.0/24 | N/A | 0 | 1 | 1 |
| 72.31.182.0/24 | N/A | 0 | 1 | 1 |
| 72.31.184.0/24 | N/A | 0 | 1 | 1 |
| 72.31.192.0/24 | N/A | 0 | 1 | 1 |
| 72.31.200.0/24 | N/A | 0 | 1 | 1 |
| 72.31.202.0/24 | N/A | 0 | 1 | 1 |
| 72.31.204.0/24 | N/A | 0 | 1 | 1 |
| 72.31.206.0/24 | N/A | 0 | 1 | 1 |
| 72.31.208.0/24 | N/A | 0 | 1 | 1 |
| 72.31.228.0/24 | N/A | 0 | 1 | 1 |
| 72.31.231.0/24 | N/A | 0 | 1 | 1 |
| 72.31.232.0/24 | N/A | 0 | 1 | 1 |
| 72.31.234.0/24 | N/A | 0 | 1 | 1 |
| 72.31.235.0/24 | N/A | 0 | 1 | 1 |
| 72.31.238.0/24 | N/A | 0 | 1 | 2 |
| 72.31.243.0/24 | N/A | 0 | 1 | 1 |