139.220.193.0/24
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-10-12 | 2026-10-13 | AS38019 | China Mobile Tianjin Province Network |
| 2026-09-24 | Current | AS4808 | China Unicom Beijing Province Network |
| 2026-09-22 | 2026-09-23 | AS38019 | China Mobile Tianjin Province Network |
| 2026-09-11 | Current | AS17638 | China Telecom Tianjin Province Network |