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
2,702
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 |
|---|---|---|---|---|
| 163.51.161.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 163.51.162.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 163.51.163.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 163.51.164.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 163.51.165.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 163.51.166.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 163.51.167.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 163.51.168.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 163.51.169.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 163.51.170.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 163.51.171.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 163.51.172.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 163.51.173.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 163.51.174.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 163.54.0.0/16 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 163.130.0.0/16 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 163.134.0.0/16 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 163.136.0.0/16 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 163.143.0.0/16 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 163.145.0.0/16 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 163.148.0.0/16 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 163.209.0.0/16 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 163.212.0.0/16 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 163.212.29.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 163.214.0.0/16 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 163.215.0.0/16 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 163.220.0.0/17 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 163.220.128.0/20 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 163.220.144.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 163.220.152.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 163.220.176.0/20 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 163.225.0.0/16 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 163.226.0.0/16 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 164.161.0.0/16 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 165.93.0.0/16 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 192.31.121.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.47.1.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.47.2.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.47.16.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.47.204.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.47.205.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.50.28.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.50.30.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.50.42.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.50.57.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.50.69.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.50.70.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.50.71.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.50.72.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.50.102.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.50.106.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.50.108.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.50.192.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.50.210.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.50.212.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.51.168.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.51.194.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.58.9.0/24 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 192.58.10.0/23 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 192.58.12.0/22 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 192.58.16.0/23 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 192.58.18.0/24 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 192.153.95.0/24 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 192.153.96.0/21 v4 | RPKI valid | 43 | 380012907 | 2026-09-18 |
| 192.153.104.0/24 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 192.156.145.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.156.146.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.156.148.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.156.151.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.156.158.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.172.236.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.174.128.0/17 v4 | RPKI valid | 43 | 380012907 | 2026-09-18 |
| 192.188.73.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.188.74.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.218.1.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.218.92.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.218.112.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.218.116.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.218.130.0/24 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 192.218.160.0/20 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 192.218.240.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 192.244.20.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.244.78.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.244.80.0/20 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 192.244.144.0/20 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 192.244.196.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.244.208.0/20 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 192.244.228.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 192.244.254.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.11.0.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.11.8.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.11.96.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.11.104.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.11.138.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.11.166.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.11.212.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.11.216.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.13.0.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.13.4.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.13.8.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.13.16.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.13.60.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.13.82.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.13.87.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.15.16.0/20 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.15.106.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.15.110.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.16.122.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.16.124.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.16.125.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.16.128.0/20 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.16.208.0/20 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.16.224.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.17.104.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.17.120.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.17.171.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.17.182.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.17.184.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.17.200.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.17.208.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.17.254.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.18.32.0/19 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.18.160.0/20 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.18.161.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.18.162.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.18.171.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.18.182.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.18.184.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.18.188.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.18.254.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.19.104.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.19.136.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.19.144.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.19.168.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.19.179.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.23.64.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.23.72.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.23.86.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.23.192.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.23.247.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.24.52.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.24.80.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.24.92.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.24.140.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.24.144.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.24.160.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.24.240.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.25.68.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.25.80.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.25.86.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.25.99.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.25.113.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.25.155.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.25.156.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.25.224.0/20 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.26.64.0/19 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.26.139.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.26.144.0/20 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.26.160.0/20 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.26.188.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.26.189.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.26.190.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.26.191.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.26.196.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.26.224.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.26.248.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.34.192.0/20 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.34.232.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.34.242.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.34.242.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.34.243.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.34.246.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.35.192.0/19 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.35.199.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.35.224.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.35.226.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.35.228.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.35.248.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.48.48.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.48.50.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.48.51.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.48.112.0/21 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.48.128.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.48.160.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.48.228.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.145.16.0/22 v4 | RPKI valid | 43 | 333311032907 | 2026-09-18 |
| 202.145.16.0/24 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 202.145.17.0/24 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 202.145.18.0/23 v4 | RPKI valid | 43 | 333311032907 | 2026-09-18 |
| 202.145.24.0/23 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 202.145.24.0/24 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 202.145.25.0/24 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 202.175.144.0/20 v4 | no ROA | 43 | 380012907 | 2026-09-18 |
| 202.208.8.0/23 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.208.25.0/24 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.209.0.0/16 v4 | RPKI valid | 43 | 380012907 | 2026-09-18 |
| 202.210.0.0/22 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.211.0.0/19 v4 | RPKI valid | 43 | 380012907 | 2026-09-18 |
| 202.211.0.0/20 v4 | RPKI valid | 43 | 380012907 | 2026-09-18 |
| 202.211.16.0/20 v4 | RPKI valid | 43 | 380012907 | 2026-09-18 |