143.73.16.0/23
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-11-03 | Current | AS1540 | Headquarters, USAISC |
| 2026-10-31 | 2026-11-01 | AS1540 | Headquarters, USAISC |
| 2026-10-09 | 2026-10-10 | AS367 | United States Department of Defense (DoD) |
| 2026-09-30 | 2026-10-01 | AS367 | United States Department of Defense (DoD) |