AS39909 State Research Institute
AS39909 is operated by State Research Institute and registered with RIPE NCC (PL) since 2006-05-15.
It announces 3 IPv4 and 0 IPv6 prefixes, 0% of them RPKI valid.
RIPE RIS sees 3 upstream and peer networks and 1 downstream networks next to it.
| Name | State Research Institute |
|---|---|
| Registry handle | PULMAN-EDU-AS Institute of Soil Science and Plant Cultivation |
| Registry (RIR) | RIPE NCC |
| Country | Poland (PL) |
| Delegated on | 2006-05-15 |
| Prefixes (IPv4 / IPv6) | 3 / 0 |
| RPKI valid | 0% (0 / 3) |
| Upstreams and peers | 3 |
| Downstream networks | 1 |
Routing health
- AS39909 announces 3 IPv4 and 0 IPv6 prefixes.
- No IPv6 prefixes announced.
- 3 announced prefixes are not covered by a ROA of AS39909 (they may have none, or another network’s).
- 3 upstreams and peers, 1 downstream networks seen.
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 3
- 217.113.153.0/24
- 217.113.154.0/24
- 217.113.156.0/22
Upstreams and peers 3
The networks RIPE RIS sees next to AS39909 in BGP paths, the most visible first.
Peering
AS39909 is not in PeeringDB. Networks that peer at internet exchanges are expected to keep a record there with their policy, exchange addresses and contacts.
More about AS39909
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-15 10:07 UTC. The country is where the AS number was registered, not necessarily where the network operates.