143.74.22.0/23
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-10-02 | 2026-10-03 | AS1540 | Headquarters, USAISC |
| 2026-09-29 | 2026-10-01 | AS1540 | Headquarters, USAISC |
| 2026-09-26 | 2026-09-27 | AS1540 | Headquarters, USAISC |
| 2026-09-18 | 2026-09-19 | AS1540 | Headquarters, USAISC |
| 2026-09-16 | 2026-09-17 | AS1540 | Headquarters, USAISC |
| 2026-08-26 | 2026-09-11 | AS1540 | Headquarters, USAISC |
| 2026-08-24 | 2026-08-25 | AS1540 | Headquarters, USAISC |
| 2026-08-20 | 2026-08-22 | AS1540 | Headquarters, USAISC |
| 2026-08-08 | 2026-08-09 | AS1540 | Headquarters, USAISC |
| 2026-08-04 | 2026-08-07 | AS1540 | Headquarters, USAISC |
| 2026-07-21 | 2026-08-02 | AS1540 | Headquarters, USAISC |
| 2026-07-14 | 2026-07-19 | AS1540 | Headquarters, USAISC |
| 2026-07-11 | 2026-07-12 | AS1540 | Headquarters, USAISC |
| 2026-07-08 | 2026-07-10 | AS1540 | Headquarters, USAISC |
| 2026-06-30 | 2026-07-03 | AS1540 | Headquarters, USAISC |