172.40.121.0/24
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-09-28 | 2026-09-29 | AS17557 | Pakistan Telecommunication Company Limited |
| 2026-06-27 | 2026-06-28 | AS17557 | Pakistan Telecommunication Company Limited |