2607:fb91:3900::/40
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-11-11 | Current | AS21928 | T-Mobile USA, Inc. |
| 2026-09-05 | 2026-09-11 | AS21928 | T-Mobile USA, Inc. |
2607:fb91:3900::/40Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-11-11 | Current | AS21928 | T-Mobile USA, Inc. |
| 2026-09-05 | 2026-09-11 | AS21928 | T-Mobile USA, Inc. |