143.86.166.0/23
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-11-05 | 2026-11-06 | AS1540 | Headquarters, USAISC |
| 2026-10-07 | 2026-10-08 | AS367 | United States Department of Defense (DoD) |
| 2026-09-17 | 2026-09-18 | AS367 | United States Department of Defense (DoD) |