143.74.36.0/23
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-11-05 | Current | AS1540 | Headquarters, USAISC |
| 2026-08-12 | 2026-10-31 | AS1540 | Headquarters, USAISC |
| 2026-07-02 | 2026-08-09 | AS1540 | Headquarters, USAISC |