166.107.64.0/18 no ROA
Announced by AS12054 Alameda County.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS12054 Alameda County | no ROA | 43 | 701812054 | 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
- 166.107.0.0/16
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1993-12-03
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
4 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 166.107.71.0/24 v4 | AS12054 Alameda County | no ROA | 42 | 2026-09-18 |
| 166.107.72.0/21 v4 | AS12054 Alameda County | no ROA | 42 | 2026-09-18 |
| 166.107.80.0/20 v4 | AS12054 Alameda County | no ROA | 43 | 2026-09-18 |
| 166.107.96.0/20 v4 | AS12054 Alameda County | no ROA | 43 | 2026-09-18 |