187.31.40.0/24
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-11-07 | Current | AS268188 | ATIVA TELECOM LTDA |
| 2026-10-23 | 2026-11-06 | AS268188 | ATIVA TELECOM LTDA |
| 2026-07-02 | 2026-10-23 | AS14571 | OI MÓVEL S.A. - Em Recuperação Judicial |