143.74.14.0/23
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-09-30 | 2026-10-03 | AS1540 | Headquarters, USAISC |
| 2026-08-29 | 2026-09-11 | AS1540 | Headquarters, USAISC |
| 2026-08-26 | 2026-08-28 | AS1540 | Headquarters, USAISC |
| 2026-08-21 | 2026-08-22 | AS1540 | Headquarters, USAISC |
| 2026-08-04 | 2026-08-08 | AS1540 | Headquarters, USAISC |
| 2026-07-18 | 2026-08-02 | AS1540 | Headquarters, USAISC |
| 2026-07-16 | 2026-07-17 | AS1540 | Headquarters, USAISC |
| 2026-07-10 | 2026-07-11 | AS1540 | Headquarters, USAISC |