208.54.128.0/19 RPKI valid
Announced by AS21928 T-Mobile USA, Inc.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS21928 T-Mobile USA, Inc. | RPKI valid | 42 | 34549646121928 | 2026-09-18 | 2026-10-29 |
RPKI
1 ROA covers this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 208.54.128.0/19 | /24 | AS21928 | arin | authorises it |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 208.54.128.0/19
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1999-08-10
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
12 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 208.54.128.0/20 v4 | AS21928 T-Mobile USA, Inc. | RPKI valid | 43 | 2026-09-18 |
| 208.54.134.0/23 v4 | AS21928 T-Mobile USA, Inc. | RPKI valid | 43 | 2026-09-18 |
| 208.54.136.0/23 v4 | AS21928 T-Mobile USA, Inc. | RPKI valid | 43 | 2026-09-18 |
| 208.54.138.0/23 v4 | AS21928 T-Mobile USA, Inc. | RPKI valid | 43 | 2026-09-18 |
| 208.54.140.0/23 v4 | AS21928 T-Mobile USA, Inc. | RPKI valid | 43 | 2026-09-18 |
| 208.54.142.0/24 v4 | AS21928 T-Mobile USA, Inc. | RPKI valid | 43 | 2026-09-18 |
| 208.54.143.0/24 v4 | AS21928 T-Mobile USA, Inc. | RPKI valid | 43 | 2026-09-18 |
| 208.54.144.0/20 v4 | AS21928 T-Mobile USA, Inc. | RPKI valid | 43 | 2026-09-18 |
| 208.54.145.0/24 v4 | AS21928 T-Mobile USA, Inc. | RPKI valid | 43 | 2026-09-18 |
| 208.54.153.0/24 v4 | AS21928 T-Mobile USA, Inc. | RPKI valid | 43 | 2026-09-18 |
| 208.54.157.0/24 v4 | AS21928 T-Mobile USA, Inc. | RPKI valid | 43 | 2026-10-01 |
| 208.54.158.0/24 v4 | AS21928 T-Mobile USA, Inc. | RPKI valid | 43 | 2026-10-01 |