AS131912 Cybozu, Inc.
AS131912 is operated by Cybozu, Inc. and registered with APNIC (JP) since 2011-08-04.
It announces 2 IPv4 and 1 IPv6 prefixes, 66% of them RPKI valid.
RIPE RIS sees 4 upstream and peer networks and 0 downstream networks next to it.
PeeringDB lists it as a Content network at 6 internet exchanges. Its peering policy is selective.
| Name | Cybozu, Inc. |
|---|---|
| Registry handle | CYBOZU |
| Registry (RIR) | APNIC |
| Country | Japan (JP) |
| Delegated on | 2011-08-04 |
| Network type | Content, Asia Pacific |
| Peering policy | Selective |
| IRR as-set | JPIRR::AS-CYBOZU-NET |
| Prefixes (IPv4 / IPv6) | 2 / 1 |
| RPKI valid | 66% (2 / 3) |
| Upstreams and peers | 4 |
| Downstream networks | 0 |
| Website | cybozu.com |
Routing health
- AS131912 announces 2 IPv4 and 1 IPv6 prefixes.
- 2 of 3 announced prefixes are RPKI valid.
- 1 announced prefixes are not covered by a ROA of AS131912 (they may have none, or another network’s).
- 4 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
- 103.79.12.0/22
- 202.253.115.0/24
- 2407:d440::/32
Upstreams and peers 4
The networks RIPE RIS sees next to AS131912 in BGP paths, the most visible first.
Peering
Peering policy: Selective. Suggested max-prefix limits: 10 IPv4, 10 IPv6. PeeringDB record
| Exchange | Ports | Speed | Route server |
|---|---|---|---|
| BBIX Osaka | 1 | 10G | No |
| BBIX Tokyo | 1 | 10G | No |
| Equinix Osaka | 1 | 10G | No |
| Equinix Tokyo | 1 | 10G | No |
| JPNAP Osaka | 1 | 10G | No |
| JPNAP Tokyo: Peering | 1 | 10G | No |
More about AS131912
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-12 17:37 UTC. The country is where the AS number was registered, not necessarily where the network operates.