121.58.156.0/23
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-09-04 | Current | AS38364 | RM 1706,Block A,Ocean Express,No.66 |
| 2026-06-13 | Current | AS4808 | China Unicom Beijing Province Network |
| 2026-06-13 | Current | AS4847 | China Telecom Beijing Province Network |