240c:c221::/32
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-10-22 | 2026-10-24 | AS4538 | China Education and Research Network Center |
| 2026-10-20 | 2026-10-21 | AS4538 | China Education and Research Network Center |
| 2026-10-16 | 2026-10-18 | AS4538 | China Education and Research Network Center |
| 2026-09-18 | 2026-09-23 | AS4538 | China Education and Research Network Center |
| 2026-06-13 | Current | AS24352 | CERNET2 IX at Tianjin University |