155.19.0.0/21
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-08-07 | Current | AS1540 | Headquarters, USAISC |
| 2026-06-13 | 2026-08-07 | AS367 | United States Department of Defense (DoD) |
155.19.0.0/21Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-08-07 | Current | AS1540 | Headquarters, USAISC |
| 2026-06-13 | 2026-08-07 | AS367 | United States Department of Defense (DoD) |