AS7539 National Center for High-performance Computing 🇹🇼 TW
National Applied Research Laboratories. Announcing 15 prefixes, seen at the RIS collectors.
IPv4 prefixes
14
90,112 (352 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
4
transit providers observed
Peers
4
settlement-free adjacencies
Downstreams
10
transit customers observed
Customer cone
10
ASes reachable through it
Registry and operator data
- AS number
- AS7539
- Name
- National Center for High-performance Computing
- Organisation
- TaiWan Advanced Research and Education Network(TWAREN)
- Country
- 🇹🇼 TW
- RIR
- APNIC
- Allocated
- 1997-03-22
- Network type
- Educational/Research
- Traffic levels
- 5-10Gbps
- Scope
- Asia Pacific
- Peering policy
- Open
- IRR as-set
- AS7539:AS-TWAREN
- Website
- http://www.twaren.net/english/
- PeeringDB
- net/16281
- Exchanges
- 3
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 |
|---|---|---|---|---|---|
| AS6461 Zayo Bandwidth | 🇺🇸 US | 50,756 | 214 | 286 | CAIDA |
| AS11537 Internet2 | 🇺🇸 US | 2,237 | 23 | 19 | CAIDA |
| AS9924 Taiwan Fixed Network, Telco and Network Service Provider. | 🇹🇼 TW | 1,753 | 629 | 227 | CAIDA |
| AS9264 Academia Sinica | 🇹🇼 TW | 12 | 6 | 264 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 53,176 | 185 | 92 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 4,776 | 45 | 11 | CAIDA |
| AS7575 Australian Academic and Research Network (AARNet) | 🇦🇺 AU | 568 | 201 | 16 | CAIDA |
| AS1103 SURF B.V. | 🇳🇱 NL | 30 | 104 | 17 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS17408 AboveNet Communications Taiwan | 🇹🇼 TW | 7,456 | 106 | 1 | inferred |
| AS17717 Ministry of Education Computer Center Taipei, Taiwan | 🇹🇼 TW | 2 | 0 | 1 | CAIDA |
| AS1659 Taiwan Academic Network (TANet) Information Center | 🇹🇼 TW | 0 | 217 | 327 | CAIDA |
| AS18183 National Center for Research on Earthquake Engineering | 🇹🇼 TW | 0 | 5 | 135 | CAIDA |
| AS18426 National Applied Research Laboratories | 🇹🇼 TW | 0 | 1 | 42 | CAIDA |
| AS18181 National Health Research Institutes | 🇹🇼 TW | 0 | 3 | 20 | CAIDA |
| AS18047 National Tsing-Hua University | 🇹🇼 TW | 0 | 2 | 6 | CAIDA |
| AS18422 Industrial Technology Research Institute | 🇹🇼 TW | 0 | 33 | 6 | CAIDA |
| AS17716 National Taiwan University | 🇹🇼 TW | 0 | 5 | 3 | CAIDA |
| AS18420 National Central University | 🇹🇼 TW | 0 | 1 | 2 | CAIDA |
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.