187.1.176.0/21
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-11-07 | 2026-11-09 | AS21574 | Century Telecom Ltda |
| 2026-11-04 | 2026-11-06 | AS21574 | Century Telecom Ltda |
| 2026-07-20 | 2026-07-22 | AS21574 | Century Telecom Ltda |