152.75.221.0/24
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-10-03 | Current | AS4185 | AT&T Enterprises, LLC |
| 2026-10-01 | 2026-10-04 | AS4186 | AT&T Enterprises, LLC |
| 2026-09-17 | 2026-10-01 | AS4185 | AT&T Enterprises, LLC |
| 2026-09-11 | 2026-09-17 | AS4186 | AT&T Enterprises, LLC |
| 2026-06-13 | 2026-09-11 | AS4185 | AT&T Enterprises, LLC |