137.14.121.0/24
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-10-31 | 2026-11-01 | AS391 | Air Force Systems Networking |
| 2026-09-12 | Current | AS56 | United States Department of Defense (DoD) |
| 2026-06-13 | 2026-09-11 | AS56 | United States Department of Defense (DoD) |