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
2
transit providers observed
Peers
12
settlement-free adjacencies
Downstreams
96
transit customers observed
Customer cone
2,681
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 |
|---|---|---|---|---|
| 202.213.0.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.213.24.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.213.160.0/20 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 202.216.78.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.220.0.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.220.17.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.220.21.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.220.56.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.220.62.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.220.64.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.220.72.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.220.80.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.220.104.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.220.116.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.220.118.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.220.124.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.223.128.0/17 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.231.0.0/18 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 202.235.128.0/18 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 202.235.128.0/19 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 202.235.160.0/19 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 202.236.2.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.236.16.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.236.33.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.236.44.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.236.60.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.236.70.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.236.100.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.236.106.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.236.111.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.236.112.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.236.120.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.236.124.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.236.128.0/20 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.236.150.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.236.168.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.236.172.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.236.176.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.236.188.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.237.2.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.237.6.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.237.15.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.237.24.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.237.27.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.237.40.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.237.52.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.237.54.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.237.132.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.237.168.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.237.174.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.237.255.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.8.0/21 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.240.8.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.9.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.10.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.11.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.12.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.13.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.14.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.15.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.72.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.76.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.78.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.96.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.112.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.114.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.115.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.117.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.137.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.224.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.240.232.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.241.0.0/17 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 202.242.5.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.242.7.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.242.8.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.242.12.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.242.14.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.242.15.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.242.21.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.242.38.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.242.55.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.242.64.0/21 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.242.101.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.242.120.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.242.121.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.242.127.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.242.131.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.242.160.0/19 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.242.192.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.242.231.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.243.16.0/20 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.243.128.0/20 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.243.162.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.243.163.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.243.185.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.243.220.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.243.221.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.243.222.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.243.234.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.244.3.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.244.52.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.244.62.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.244.76.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.244.90.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.244.104.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.244.112.0/20 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.244.160.0/20 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.244.176.0/20 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.244.192.0/21 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.244.205.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.244.210.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.244.240.0/20 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.245.2.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.245.11.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.245.13.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.245.24.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.245.64.0/19 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.245.100.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.245.104.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.245.115.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.245.116.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.245.117.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.245.118.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.245.124.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.245.136.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.245.165.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.245.168.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.245.212.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.245.226.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.246.63.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.246.68.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.246.106.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.246.128.0/19 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.246.131.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.246.136.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.250.0.0/20 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.250.64.0/21 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.250.120.0/21 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.250.129.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.250.144.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.250.148.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.250.150.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.250.160.0/20 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.250.176.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.250.184.0/21 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.250.208.0/21 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.250.224.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.250.238.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.251.32.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.251.88.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.251.140.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.251.180.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.251.184.0/21 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.251.200.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.251.201.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.251.202.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.251.203.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.251.224.0/20 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.251.244.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.252.128.0/18 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.252.197.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.252.214.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.252.246.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.252.247.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.253.0.0/18 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.253.88.0/22 v4 | RPKI valid | 41 | 380012907 | 2026-09-18 |
| 202.253.138.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.253.192.0/21 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.253.200.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.253.224.0/20 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.253.224.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.253.248.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.253.252.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.254.0.0/19 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.254.88.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.254.96.0/21 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.254.153.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.254.162.0/23 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.254.212.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.254.218.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.254.227.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.254.230.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.255.24.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.255.152.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.255.153.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.255.154.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.255.155.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.255.184.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.255.192.0/21 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 202.255.200.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.255.229.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 202.255.244.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 203.112.64.0/21 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 203.178.36.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 203.178.44.0/24 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 203.181.192.0/18 v4 | no ROA | 42 | 380012907 | 2026-09-18 |
| 210.1.236.0/22 v4 | no ROA | 41 | 380012907 | 2026-09-18 |
| 210.133.64.0/19 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 210.137.0.0/16 v4 | RPKI valid | 42 | 380012907 | 2026-09-18 |
| 210.137.12.0/22 v4 | RPKI valid | 41 | 380012907 | 2026-09-18 |