131.229.0.0/17 no ROA
Announced by AS1255 Smith College.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS1255 Smith College | no ROA | 41 | 34549325719681255 | 2026-09-18 | 2026-10-02 |
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
- 131.229.0.0/17
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1989-01-27
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
13 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 131.229.0.0/24 v4 | AS1255 Smith College | no ROA | 41 | 2026-09-18 |
| 131.229.1.0/24 v4 | AS1255 Smith College | no ROA | 41 | 2026-09-18 |
| 131.229.2.0/24 v4 | AS1255 Smith College | no ROA | 41 | 2026-09-18 |
| 131.229.3.0/24 v4 | AS1255 Smith College | no ROA | 41 | 2026-09-18 |
| 131.229.4.0/24 v4 | AS1255 Smith College | no ROA | 41 | 2026-09-18 |
| 131.229.5.0/24 v4 | AS1255 Smith College | no ROA | 41 | 2026-09-18 |
| 131.229.6.0/24 v4 | AS1255 Smith College | no ROA | 41 | 2026-09-18 |
| 131.229.8.0/24 v4 | AS1255 Smith College | no ROA | 41 | 2026-09-18 |
| 131.229.40.0/23 v4 | AS1255 Smith College | no ROA | 41 | 2026-09-18 |
| 131.229.42.0/23 v4 | AS1255 Smith College | no ROA | 41 | 2026-09-18 |
| 131.229.44.0/23 v4 | AS1255 Smith College | no ROA | 41 | 2026-09-18 |
| 131.229.46.0/23 v4 | AS1255 Smith College | no ROA | 41 | 2026-09-18 |
| 131.229.67.0/24 v4 | AS1255 Smith College | no ROA | 41 | 2026-09-18 |