121.249.141.0/24
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-08-20 | 2026-09-22 | AS4538 | China Education and Research Network Center |
| 2026-08-20 | 2026-09-16 | AS141005 | Shandong Provincial Department of Education, |
| 2026-06-13 | 2026-07-24 | AS4538 | China Education and Research Network Center |
| 2026-06-13 | 2026-07-24 | AS141005 | Shandong Provincial Department of Education, |