209.132.128.0/19 no ROA
Announced by AS6099 Alameda County Office of Education.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS6099 Alameda County Office of Education | no ROA | 43 | 70186099 | 2026-09-18 | 2026-10-26 |
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
- 209.132.128.0/19
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1997-09-10
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 |
|---|---|---|---|---|
| 209.132.128.0/20 v4 | AS6099 Alameda County Office of Education | no ROA | 45 | 2026-09-18 |
| 209.132.144.0/20 v4 | AS6099 Alameda County Office of Education | no ROA | 45 | 2026-09-18 |
| 209.132.147.0/24 v4 | AS2152 CENIC - CalREN | no ROA | 45 | 2026-09-18 |
| 209.132.157.0/24 v4 | AS23117 Imperial County Office of Education | no ROA | 45 | 2026-09-18 |
| 209.132.158.0/24 v4 | AS2152 CENIC - CalREN | no ROA | 45 | 2026-09-18 |
| 209.132.159.0/24 v4 | AS2152 CENIC - CalREN | no ROA | 45 | 2026-09-18 |