143.74.8.0/23
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-10-29 | 2026-10-30 | AS1540 | Headquarters, USAISC |
| 2026-09-11 | 2026-09-25 | AS1540 | Headquarters, USAISC |
| 2026-09-09 | 2026-09-10 | AS1540 | Headquarters, USAISC |
| 2026-09-03 | 2026-09-04 | AS1540 | Headquarters, USAISC |
| 2026-08-28 | 2026-08-29 | AS1540 | Headquarters, USAISC |
| 2026-08-13 | 2026-08-14 | AS1540 | Headquarters, USAISC |
| 2026-08-08 | 2026-08-09 | AS1540 | Headquarters, USAISC |
| 2026-06-25 | 2026-06-27 | AS1540 | Headquarters, USAISC |