AS2907 Science Information Network 🇯🇵 JP
Research Organization of Information and Systems, National Institute of Informatics. Announcing 607 prefixes, seen at the RIS collectors.
IPv4 prefixes
605
8,960,512 (35,002 × /24)
IPv6 prefixes
2
2 × /32
Upstreams
1
transit providers observed
Peers
13
settlement-free adjacencies
Downstreams
96
transit customers observed
Customer cone
2,680
ASes reachable through it
Registry and operator data
- AS number
- AS2907
- Name
- Science Information Network
- Organisation
- National Institute of Informatics
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 2002-08-01
- Network type
- Educational/Research
- Scope
- Asia Pacific
- Peering policy
- Selective
- IRR as-set
- JPIRR::AS2907:AS-SINET
- Website
- http://www.sinet.ad.jp/
- PeeringDB
- net/7609
- Exchanges
- 7
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
607 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 210.146.64.0/20 v4 | RPKI valid | 43 | 380012907 | 2026-09-18 |
| 210.151.64.0/18 v4 | RPKI valid | 43 | 380012907 | 2026-09-18 |
| 210.156.32.0/19 v4 | RPKI valid | 43 | 380012907 | 2026-09-18 |
| 219.112.224.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 219.112.227.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 2001:2f8::/32 v6 | RPKI valid | 34 | 380012907 | 2026-09-18 |
| 2405:d200::/32 v6 | no ROA | 34 | 380012907 | 2026-09-18 |