Summary
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 1994-11-29 |
| Last Updated | 2026-08-26 |
| 199.31.0.0/24 | N/A | 0 | 1 | 1 |
| 199.31.2.0/24 | N/A | 0 | 1 | 1 |
| 199.31.3.0/24 | N/A | 0 | 1 | 1 |
| 199.31.4.0/24 | N/A | 0 | 1 | 1 |
| 199.31.13.0/24 | N/A | 0 | 1 | 1 |
| 199.31.14.0/24 | N/A | 0 | 1 | 1 |
| 199.31.16.0/24 | N/A | 0 | 1 | 1 |
| 199.31.32.0/24 | N/A | 0 | 1 | 1 |
| 199.31.64.0/24 | N/A | 0 | 1 | 1 |
| 199.31.65.0/24 | N/A | 0 | 1 | 1 |
| 199.31.96.0/24 | N/A | 0 | 1 | 1 |
| 199.31.104.0/24 | N/A | 0 | 1 | 1 |
| 199.31.107.0/24 | N/A | 0 | 1 | 1 |
| 199.31.108.0/24 | N/A | 0 | 1 | 1 |
| 199.31.112.0/24 | N/A | 0 | 1 | 1 |
| 199.31.128.0/24 | N/A | 0 | 1 | 1 |
| 199.31.130.0/24 | N/A | 0 | 1 | 1 |
| 199.31.131.0/24 | N/A | 0 | 1 | 1 |
| 199.31.134.0/24 | N/A | 0 | 1 | 1 |
| 199.31.135.0/24 | N/A | 0 | 1 | 1 |
| 199.31.136.0/24 | N/A | 0 | 1 | 1 |
| 199.31.140.0/24 | N/A | 0 | 1 | 1 |
| 199.31.141.0/24 | N/A | 0 | 1 | 1 |
| 199.31.142.0/24 | N/A | 0 | 1 | 1 |
| 199.31.143.0/24 | N/A | 0 | 1 | 1 |
| 199.31.144.0/24 | N/A | 0 | 1 | 1 |
| 199.31.145.0/24 | N/A | 0 | 1 | 1 |
| 199.31.159.0/24 | N/A | 0 | 1 | 1 |
| 199.31.192.0/24 | N/A | 0 | 1 | 1 |
| 199.31.208.0/24 | N/A | 0 | 1 | 1 |
| 199.31.224.0/24 | N/A | 0 | 1 | 1 |
| 199.31.232.0/24 | N/A | 0 | 1 | 1 |
| 199.31.240.0/24 | N/A | 0 | 1 | 1 |
| 199.31.242.0/24 | N/A | 0 | 1 | 1 |
| 199.31.244.0/24 | N/A | 0 | 1 | 1 |
| 199.31.245.0/24 | N/A | 0 | 1 | 1 |
| 199.31.246.0/24 | N/A | 0 | 1 | 1 |