Summary
| ASN | AS21928 T-Mobile USA, Inc. |
| BGP | 172.58.0.0/15 |
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 2012-09-18 |
| Last Updated | 2026-08-26 |
| 172.58.0.0/24 | N/A | 0 | 1 | 1 |
| 172.58.8.0/24 | N/A | 0 | 1 | 1 |
| 172.58.24.0/24 | N/A | 0 | 1 | 1 |
| 172.58.48.0/24 | N/A | 0 | 1 | 1 |
| 172.58.56.0/24 | N/A | 0 | 1 | 1 |
| 172.58.104.0/24 | N/A | 0 | 1 | 1 |
| 172.58.112.0/24 | N/A | 0 | 1 | 1 |
| 172.58.120.0/24 | N/A | 0 | 1 | 1 |
| 172.58.128.0/24 | N/A | 0 | 1 | 1 |
| 172.58.136.0/24 | N/A | 0 | 1 | 1 |
| 172.58.144.0/24 | N/A | 0 | 1 | 1 |
| 172.58.160.0/24 | N/A | 0 | 1 | 1 |
| 172.58.176.0/24 | N/A | 0 | 1 | 1 |
| 172.58.208.0/24 | N/A | 0 | 1 | 1 |
| 172.58.240.0/24 | N/A | 0 | 1 | 1 |
| 172.58.248.0/24 | N/A | 0 | 1 | 1 |