103.121.53.0/24
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-07-18 | Current | AS4808 | China Unicom Beijing Province Network |
| 2026-06-13 | Current | AS4847 | China Telecom Beijing Province Network |
103.121.53.0/24Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-07-18 | Current | AS4808 | China Unicom Beijing Province Network |
| 2026-06-13 | Current | AS4847 | China Telecom Beijing Province Network |