143.74.16.0/23
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-09-18 | 2026-09-19 | AS1540 | Headquarters, USAISC |
| 2026-08-26 | 2026-09-11 | AS1540 | Headquarters, USAISC |
| 2026-08-24 | 2026-08-25 | AS1540 | Headquarters, USAISC |
| 2026-08-21 | 2026-08-22 | AS1540 | Headquarters, USAISC |
| 2026-08-04 | 2026-08-08 | AS1540 | Headquarters, USAISC |
| 2026-07-28 | 2026-08-02 | AS1540 | Headquarters, USAISC |
| 2026-07-21 | 2026-07-26 | AS1540 | Headquarters, USAISC |
| 2026-07-16 | 2026-07-18 | AS1540 | Headquarters, USAISC |
| 2026-07-10 | 2026-07-12 | AS1540 | Headquarters, USAISC |
| 2026-07-08 | 2026-07-09 | AS1540 | Headquarters, USAISC |
| 2026-07-03 | 2026-07-04 | AS1540 | Headquarters, USAISC |
| 2026-06-30 | 2026-07-02 | AS1540 | Headquarters, USAISC |