220.249.120.0/21
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-10-30 | Current | AS9929 | China Unicom Industrial Internet Backbone |
| 2026-10-26 | 2026-10-29 | AS9929 | China Unicom Industrial Internet Backbone |
| 2026-10-24 | 2026-10-25 | AS9929 | China Unicom Industrial Internet Backbone |
| 2026-10-22 | 2026-10-23 | AS9929 | China Unicom Industrial Internet Backbone |
| 2026-10-15 | 2026-10-18 | AS9929 | China Unicom Industrial Internet Backbone |
| 2026-09-05 | 2026-10-14 | AS9929 | China Unicom Industrial Internet Backbone |
| 2026-08-29 | 2026-09-04 | AS9929 | China Unicom Industrial Internet Backbone |
| 2026-06-27 | 2026-08-26 | AS9929 | China Unicom Industrial Internet Backbone |
| 2026-06-13 | 2026-06-26 | AS9929 | China Unicom Industrial Internet Backbone |