137.234.51.0/24
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-08-09 | 2026-08-23 | AS637 | United States Department of Defense (DoD) |
| 2026-08-05 | 2026-08-08 | AS637 | United States Department of Defense (DoD) |
| 2026-07-28 | 2026-07-29 | AS637 | United States Department of Defense (DoD) |
| 2026-07-17 | 2026-07-25 | AS637 | United States Department of Defense (DoD) |
| 2026-07-14 | 2026-07-15 | AS637 | United States Department of Defense (DoD) |
| 2026-07-08 | 2026-07-11 | AS637 | United States Department of Defense (DoD) |