AS59098 Kuriyama Network
AS59098 is operated by Kuriyama Network and registered with APNIC (JP) since 2013-09-09.
It announces 1 IPv4 and 2 IPv6 prefixes, 100% of them RPKI valid.
RIPE RIS sees 3 upstream and peer networks and 0 downstream networks next to it.
PeeringDB lists it as an Educational/Research network at 3 internet exchanges and 3 facilities. Its peering policy is open.
| Name | Kuriyama Network |
|---|---|
| Registry handle | Hinaturu-Net |
| Registry (RIR) | APNIC |
| Country | Japan (JP) |
| Delegated on | 2013-09-09 |
| Network type | Educational/Research, Asia Pacific |
| Peering policy | Open |
| IRR as-set | AS59098:AS-HINATURU-NET |
| Prefixes (IPv4 / IPv6) | 1 / 2 |
| RPKI valid | 100% (3 / 3) |
| Upstreams and peers | 3 |
| Downstream networks | 0 |
| Website | kuriyama-net.org |
Routing health
- AS59098 announces 1 IPv4 and 2 IPv6 prefixes.
- All 3 announced prefixes are RPKI valid.
- 3 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 3
- 103.149.4.0/23
- 2401:d20:b000::/36
- 2401:d20:b::/48
Upstreams and peers 3
The networks RIPE RIS sees next to AS59098 in BGP paths, the most visible first.
Peering
Peering policy: Open. Suggested max-prefix limits: 2 IPv4, 20 IPv6. PeeringDB record
| Exchange | Ports | Speed | Route server |
|---|---|---|---|
| ENTERNET IX | 1 | 0M | No |
| Japan Community IX | 1 | 1G | No |
| Japan Community IX - INIXP | 1 | 10G | Yes |
| Facility | City | Country |
|---|---|---|
| NTT DATA Otemachi Bldg | Tokyo | JP |
| NTT DOCOMO BUSINESS OS2 - Osaka (Telepark Dojima Building 2) | Osaka | JP |
| Otemachi Place West Tower (BBTower Shin-Otemachi) | Tokyo | JP |
More about AS59098
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 12:01 UTC. The country is where the AS number was registered, not necessarily where the network operates.