2001:420:4000::/40
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-06-13 | Current | AS109 | CISCO SYSTEMS, INC. |
2001:420:4000::/40Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-06-13 | Current | AS109 | CISCO SYSTEMS, INC. |