AS51291 ISTOK-AS Istok Ltd.
AS51291 is operated by ISTOK-AS Istok Ltd. and registered with RIPE NCC (RU) since 2010-07-15.
It announces 1 IPv4 and 0 IPv6 prefixes, 0% of them RPKI valid.
RIPE RIS sees 0 upstream and peer networks and 0 downstream networks next to it.
| Name | ISTOK-AS Istok Ltd. |
|---|---|
| Registry (RIR) | RIPE NCC |
| Country | Russia (RU) |
| Delegated on | 2010-07-15 |
| Prefixes (IPv4 / IPv6) | 1 / 0 |
| RPKI valid | 0% (0 / 1) |
| Upstreams and peers | 0 |
| Downstream networks | 0 |
Routing health
- Partial result: RIPEstat did not return the neighbours in time.
- AS51291 announces 1 IPv4 and 0 IPv6 prefixes.
- No IPv6 prefixes announced.
- 1 announced prefixes are not covered by a ROA of AS51291 (they may have none, or another network’s).
For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.
Announced prefixes 1
- 91.218.128.0/22
More about AS51291
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 23:45 UTC. The country is where the AS number was registered, not necessarily where the network operates.