208.54.144.0/20
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-07-20 | Current | AS21928 | T-Mobile USA, Inc. |
| 2026-06-13 | 2026-07-19 | AS21928 | T-Mobile USA, Inc. |
208.54.144.0/20Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-07-20 | Current | AS21928 | T-Mobile USA, Inc. |
| 2026-06-13 | 2026-07-19 | AS21928 | T-Mobile USA, Inc. |