2001:253:237::/48
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-09-23 | 2026-09-24 | AS38272 | China Education and Research Network (CERNET) |
| 2026-08-21 | 2026-09-05 | AS38272 | China Education and Research Network (CERNET) |
| 2026-07-24 | 2026-08-20 | AS38272 | China Education and Research Network (CERNET) |
| 2026-06-18 | 2026-07-19 | AS38272 | China Education and Research Network (CERNET) |