209.33.0.0/17 no ROA
Announced by AS19108 Optimum.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS19108 Optimum | no ROA | 41 | 1490719108 | 2026-09-18 | 2026-09-19 |
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
- 209.33.0.0/17
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 2004-04-21
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
8 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 209.33.10.0/24 v4 | AS19108 Optimum | no ROA | 42 | 2026-09-18 |
| 209.33.11.0/24 v4 | AS19108 Optimum | no ROA | 42 | 2026-09-18 |
| 209.33.20.0/24 v4 | AS21615 Cebridge Connections | no ROA | 47 | 2026-09-18 |
| 209.33.22.0/24 v4 | AS21615 Cebridge Connections | no ROA | 47 | 2026-09-18 |
| 209.33.54.0/24 v4 | AS19108 Optimum | no ROA | 40 | 2026-09-18 |
| 209.33.96.0/23 v4 | AS20115 Spectrum (Charter) | no ROA | 44 | 2026-09-18 |
| 209.33.122.0/24 v4 | AS21615 Cebridge Connections | no ROA | 41 | 2026-09-18 |
| 209.33.123.0/24 v4 | AS21615 Cebridge Connections | no ROA | 41 | 2026-09-18 |