158.243.51.0/24
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-07-03 | Current | AS637 | United States Department of Defense (DoD) |
| 2026-06-25 | 2026-07-02 | AS637 | United States Department of Defense (DoD) |
| 2026-06-13 | 2026-06-24 | AS637 | United States Department of Defense (DoD) |