139.220.240.0/22
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-09-22 | Current | AS17638 | China Telecom Tianjin Province Network |
| 2026-09-12 | 2026-09-23 | AS4808 | China Unicom Beijing Province Network |
| 2026-06-13 | 2026-08-29 | AS4808 | China Unicom Beijing Province Network |
| 2026-06-13 | 2026-09-12 | AS17638 | China Telecom Tianjin Province Network |