131.73.0.0/16 no ROA
Announced by AS721 United States Department of Defense (DoD).
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS721 United States Department of Defense (DoD) | no ROA | 43 | 377213356721 | 2026-09-18 | 2026-10-04 |
RPKI
No ROA covers this prefix
No ROA covers this prefix, so origin validation returns "unknown". That is not a fault; most of the table is still unsigned.
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 131.73.0.0/16
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1988-10-25
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
21 announced prefixes inside this one
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-24 09:27:57Z | origin change | AS749 → AS721 | 4967332163356721721 |
| 2026-09-24 09:27:57Z | origin change | AS721 → AS749 | 496732048564533356749 |
| 2026-09-24 09:27:00Z | origin change | AS749 → AS721 | 202365506731743356721721 |
| 2026-09-24 09:26:58Z | origin change | AS721 → AS749 | 57381427084270812993356749 |
| 2026-09-24 09:26:52Z | origin change | AS749 → AS721 | 349275665569393356721721 |
| 2026-09-24 09:26:48Z | origin change | AS749 → AS721 | 494324836217643356721721 |
| 2026-09-24 09:26:44Z | origin change | AS721 → AS749 | 204092207662907512993356749 |
| 2026-09-24 09:26:44Z | origin change | AS749 → AS721 | 226521743356721721 |
| 2026-09-24 09:26:43Z | origin change | AS721 → AS749 | 204092207662916912993356749 |
| 2026-09-24 09:26:43Z | origin change | AS749 → AS721 | 2265212993356721721 |
| 2026-09-24 09:26:42Z | origin change | AS749 → AS721 | 3492712993356721721 |
| 2026-09-24 09:26:42Z | origin change | AS721 → AS749 | 4608757512993356749 |
| 2026-09-24 09:26:34Z | origin change | AS721 → AS749 | 2265212993356749 |
| 2026-09-24 09:26:34Z | origin change | AS721 → AS749 | 494324836212993356749 |
| 2026-09-24 09:26:33Z | origin change | AS749 → AS721 | 2265212993356721721 |
| 2026-09-24 09:26:33Z | origin change | AS721 → AS749 | 2040922076612993356749 |
| 2026-09-24 09:26:33Z | origin change | AS749 → AS721 | 491345335669393356721721 |
| 2026-09-24 09:26:32Z | origin change | AS749 → AS721 | 3492712993356721721 |
| 2026-09-24 09:26:32Z | origin change | AS721 → AS749 | 3492712993356749 |
| 2026-09-24 09:13:19Z | origin change | AS721 → AS749 | 2448264533356749 |