AS7660 Asia Pacific Advanced Network - Japan 🇯🇵 JP
Announcing 4 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
1,024 (4 × /24)
IPv6 prefixes
2
8,448 × /48
Upstreams
6
transit providers observed
Peers
2
settlement-free adjacencies
Downstreams
10
transit customers observed
Customer cone
2,561
ASes reachable through it
Registry and operator data
- AS number
- AS7660
- Name
- Asia Pacific Advanced Network - Japan
- Organisation
- APAN
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 1997-11-13
- Network type
- Educational/Research
- Scope
- Asia Pacific
- Peering policy
- Selective
- Website
- http://www.jp.apan.net/
- PeeringDB
- net/20439
- Exchanges
- 2
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Upstreams
Networks seen providing transit to this one
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS2516 KDDI Corporation | 🇯🇵 JP | 21,959 | 561 | 126 | CAIDA |
| AS2907 Science Information Network | 🇯🇵 JP | 2,692 | 605 | 11 | CAIDA |
| AS2500 WIDE Project | 🇯🇵 JP | 2,578 | 3 | 29 | CAIDA |
| AS23855 Singapore Advanced Research and Education Network | 🇸🇬 SG | 1,390 | 2 | 935 | inferred |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 54,152 | 185 | 14 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 4,854 | 45 | 4 | CAIDA |
| AS4538 China Education and Research Network Center | 🇨🇳 CN | 87 | 5,181 | 5 | CAIDA |
| AS18125 Tsukuba Business-Academia Cooperation Support Center, | 🇯🇵 JP | 0 | 1 | 2 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS11537 Internet2 | 🇺🇸 US | 2,248 | 23 | 187 | CAIDA |
| AS24287 National Institute of Informatics | 🇯🇵 JP | 1,359 | 1 | 65 | CAIDA |
| AS23911 China Next Generation Internet Beijing IX | 🇨🇳 CN | 74 | 2 | 279 | CAIDA |
| AS24475 ThaiREN.Thailand Research and Education Network Thailand | 🇹🇭 TH | 69 | 1 | 1 | inferred |
| AS9821 Department of Science and Technology | 🇵🇭 PH | 18 | 3 | 26 | CAIDA |
| AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | 🇨🇳 CN | 14 | 467 | 24 | CAIDA |
| AS9264 Academia Sinica | 🇹🇼 TW | 12 | 6 | 320 | CAIDA |
| AS17579 KISTI | 🇰🇷 KR | 0 | 27 | 2 | CAIDA |
| AS9355 National Institute of Information and Communications Technology | 🇯🇵 JP | 0 | 2 | 1 | inferred |
Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.