139.220.192.0/23
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-09-22 | Current | AS17638 | China Telecom Tianjin Province Network |
| 2026-09-22 | Current | AS38019 | China Mobile Tianjin Province Network |
| 2026-09-12 | 2026-09-23 | AS4808 | China Unicom Beijing Province Network |
| 2026-09-11 | 2026-09-12 | AS38019 | China Mobile Tianjin Province Network |
| 2026-09-05 | 2026-09-06 | AS38019 | China Mobile Tianjin Province Network |
| 2026-08-29 | 2026-08-30 | AS38019 | China Mobile Tianjin Province Network |
| 2026-08-23 | 2026-08-24 | AS38019 | China Mobile Tianjin Province Network |
| 2026-07-28 | 2026-08-10 | AS38019 | China Mobile Tianjin Province Network |
| 2026-07-04 | 2026-07-27 | AS38019 | China Mobile Tianjin 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 |