55.51.0.0/16
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-07-11 | Current | AS306 | United States Department of Defense (DoD) |
| 2026-07-10 | 2026-07-11 | AS329 | United States Department of Defense (DoD) |
| 2026-06-13 | 2026-07-10 | AS306 | United States Department of Defense (DoD) |