155.20.136.0/22
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-11-05 | Current | AS1540 | Headquarters, USAISC |
| 2026-10-09 | 2026-11-04 | AS1540 | Headquarters, USAISC |
| 2026-09-11 | 2026-10-02 | AS1540 | Headquarters, USAISC |