143.194.203.0/24
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-10-20 | 2026-10-30 | AS1540 | Headquarters, USAISC |
| 2026-10-17 | 2026-10-19 | AS1540 | Headquarters, USAISC |
| 2026-09-29 | 2026-10-02 | AS367 | United States Department of Defense (DoD) |
| 2026-09-23 | 2026-09-25 | AS367 | United States Department of Defense (DoD) |
| 2026-09-02 | 2026-09-04 | AS367 | United States Department of Defense (DoD) |
| 2026-08-28 | 2026-08-29 | AS367 | United States Department of Defense (DoD) |
| 2026-08-25 | 2026-08-27 | AS367 | United States Department of Defense (DoD) |
| 2026-08-21 | 2026-08-22 | AS367 | United States Department of Defense (DoD) |