138.137.4.0/22
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-07-27 | Current | AS5972 | United States Department of Defense (DoD) |
| 2026-06-13 | 2026-07-26 | AS5972 | United States Department of Defense (DoD) |
138.137.4.0/22Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-07-27 | Current | AS5972 | United States Department of Defense (DoD) |
| 2026-06-13 | 2026-07-26 | AS5972 | United States Department of Defense (DoD) |