211.64.0.0/21
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-07-20 | Current | AS4538 | China Education and Research Network Center |
| 2026-07-08 | 2026-07-19 | AS4538 | China Education and Research Network Center |
| 2026-06-13 | 2026-07-07 | AS4538 | China Education and Research Network Center |