205.72.64.0/20 no ROA MOAS
Announced by 2 different origins, which is either a deliberate multi-origin setup or a hijack.
This prefix is announced by more than one AS. Compare how many collector
peers see each origin below: a hijack is usually visible as a second
origin seen by far fewer peers than the legitimate one.
Origins
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
- 205.64.0.0/11
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1998-05-18
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 205.64.0.0/11 v4 | AS721 United States Department of Defense (DoD) | no ROA | 44 | 377213356721 | 2026-09-18 |
More specific routes
8 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 205.72.69.0/24 v4 | AS5371 United States Department of Defense (DoD) | no ROA | 42 | 2026-10-11 |
| 205.72.69.0/24 v4 | AS5839 United States Department of Defense (DoD) | no ROA | 1 | 2026-10-10 |
| 205.72.70.0/24 v4 | AS5839 United States Department of Defense (DoD) | no ROA | 1 | 2026-10-10 |
| 205.72.70.0/24 v4 | AS5371 United States Department of Defense (DoD) | no ROA | 42 | 2026-10-11 |
| 205.72.71.0/24 v4 | AS5371 United States Department of Defense (DoD) | no ROA | 42 | 2026-10-11 |
| 205.72.71.0/24 v4 | AS5839 United States Department of Defense (DoD) | no ROA | 1 | 2026-10-10 |
| 205.72.72.0/24 v4 | AS5371 United States Department of Defense (DoD) | no ROA | 42 | 2026-10-11 |
| 205.72.72.0/24 v4 | AS5839 United States Department of Defense (DoD) | no ROA | 1 | 2026-10-10 |