AS131941 Entsu Co.,Ltd.
AS131941 is operated by Entsu Co.,Ltd. and registered with APNIC (JP) since 2011-08-04.
It announces 6 IPv4 and 0 IPv6 prefixes, 0% of them RPKI valid.
RIPE RIS sees 2 upstream and peer networks and 0 downstream networks next to it.
| Name | Entsu Co.,Ltd. |
|---|---|
| Registry handle | ENTSU-NET |
| Registry (RIR) | APNIC |
| Country | Japan (JP) |
| Delegated on | 2011-08-04 |
| Prefixes (IPv4 / IPv6) | 6 / 0 |
| RPKI valid | 0% (0 / 6) |
| Upstreams and peers | 2 |
| Downstream networks | 0 |
Routing health
- AS131941 announces 6 IPv4 and 0 IPv6 prefixes.
- No IPv6 prefixes announced.
- 6 announced prefixes are not covered by a ROA of AS131941 (they may have none, or another network’s).
- 2 upstreams and peers, 0 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 6
- 103.121.44.0/22
- 103.121.44.0/23
- 103.121.44.0/24
- 103.121.45.0/24
- 103.121.46.0/24
- 103.121.47.0/24
Upstreams and peers 2
The networks RIPE RIS sees next to AS131941 in BGP paths, the most visible first.
More about AS131941
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-15 10:26 UTC. The country is where the AS number was registered, not necessarily where the network operates.