143.74.0.0/23
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-07-16 | 2026-07-17 | AS1540 | Headquarters, USAISC |
| 2026-06-24 | 2026-06-25 | AS1540 | Headquarters, USAISC |
| 2026-06-19 | 2026-06-20 | AS1540 | Headquarters, USAISC |
| 2026-06-17 | 2026-06-18 | AS1540 | Headquarters, USAISC |