64.203.72.0/21 no ROA
Announced by AS19523 FlexNetworks.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS19523 FlexNetworks | no ROA | 47 | 2265219523 | 2026-09-18 | 2026-09-28 |
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
- 64.203.64.0/19
- RIR
- ARIN
- Country
- 🇨🇦 CA
- Status
- allocated
- Allocated
- 2017-08-28
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 64.203.64.0/20 v4 | AS19523 FlexNetworks | no ROA | 47 | 2265219523 | 2026-09-18 |
More specific routes
4 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 64.203.72.0/24 v4 | AS19523 FlexNetworks | RPKI valid | 47 | 2026-09-18 |
| 64.203.73.0/24 v4 | AS19523 FlexNetworks | RPKI valid | 47 | 2026-09-18 |
| 64.203.74.0/24 v4 | AS19523 FlexNetworks | RPKI valid | 47 | 2026-09-18 |
| 64.203.75.0/24 v4 | AS1043 KSP Technology | no ROA | 46 | 2026-09-18 |