143.73.238.0/23
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-08-26 | 2026-08-27 | AS1540 | Headquarters, USAISC |
| 2026-08-18 | 2026-08-19 | AS1540 | Headquarters, USAISC |
| 2026-08-12 | 2026-08-15 | AS1540 | Headquarters, USAISC |