AS4641 The Hong Kong Internet Exchange Limited 🇭🇰 HK
Announcing 4 prefixes, seen at the RIS collectors.
IPv4 prefixes
3
12,544 (49 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
3
transit providers observed
Peers
4
settlement-free adjacencies
Downstreams
2
transit customers observed
Customer cone
4
ASes reachable through it
Registry and operator data
- AS number
- AS4641
- Name
- The Hong Kong Internet Exchange Limited
- Organisation
- The Chinese University of Hong Kong
- Country
- 🇭🇰 HK
- RIR
- APNIC
- Allocated
- 1995-11-24
- Network type
- Educational/Research
- Scope
- Asia Pacific
- Peering policy
- Selective
- IRR as-set
- AS4641:AS-CUHK-Transit
- Website
- http://www.cuhk.edu.hk/
- PeeringDB
- net/2774
- Exchanges
- 1
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 |
|---|---|---|---|---|---|
| AS6453 TATA Communications (America) Inc | 🇺🇸 US | 56,099 | 124 | 133 | CAIDA |
| AS2914 NTT America, Inc. | 🇺🇸 US | 55,143 | 1,610 | 188 | CAIDA |
| AS4635 HKIX Route Servers | 🇭🇰 HK | 0 | 0 | 3 | inferred |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 53,605 | 236 | 45 | CAIDA |
| AS8359 MTS PJSC | 🇷🇺 RU | 5,617 | 446 | 2 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 4,610 | 45 | 13 | CAIDA |
| AS55720 Gigabit Hosting Sdn Bhd | 🇲🇾 MY | 143 | 278 | 12 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS38345 Internet Domain Name System Beijing Engineering Resrarch Center Ltd. | 🇨🇳 CN | 2 | 24 | 174 | CAIDA |
| AS24149 Internet Domain Name System Beijing Engineering Resrarch Center Ltd. | 🇨🇳 CN | 0 | 4 | 66 | 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.