209.243.40.0/21 no ROA
Announced by AS21767 Washington College.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS21767 Washington College | no ROA | 41 | 3454912991177621767 | 2026-09-18 | 2026-10-03 |
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
- 209.243.32.0/20
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 2001-06-18
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
6 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 209.243.40.0/24 v4 | AS21767 Washington College | no ROA | 40 | 2026-09-18 |
| 209.243.41.0/24 v4 | AS21767 Washington College | no ROA | 40 | 2026-09-18 |
| 209.243.42.0/24 v4 | AS21767 Washington College | no ROA | 40 | 2026-09-18 |
| 209.243.44.0/24 v4 | AS21767 Washington College | no ROA | 40 | 2026-09-18 |
| 209.243.46.0/24 v4 | AS21767 Washington College | no ROA | 40 | 2026-09-18 |
| 209.243.47.0/24 v4 | AS21767 Washington College | no ROA | 40 | 2026-09-18 |