AS17621 China Unicom Shanghai network 🇨🇳 CN
China Unicom. Announcing 826 prefixes, seen at the RIS collectors.
IPv4 prefixes
400
1,295,872 (5,062 × /24)
IPv6 prefixes
426
25 × /32
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
45
transit customers observed
Customer cone
39
ASes reachable through it
Registry and operator data
- AS number
- AS17621
- Name
- China Unicom Shanghai network
- Organisation
- China Unicom Shanghai Network
- Country
- 🇨🇳 CN
- RIR
- APNIC
- Allocated
- 2001-01-18
- Scope
- Not Disclosed
- Peering policy
- Open
- Website
- http://www.chinaunicom.cn
- PeeringDB
- net/32733
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 |
|---|---|---|---|---|---|
| AS4837 China Unicom Backbone | 🇨🇳 CN | 20,207 | 1,520 | 30,019 | CAIDA |
| AS9929 China Unicom Industrial Internet Backbone | 🇨🇳 CN | 123 | 249 | 510 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
No peers observed at the collectors.
Downstreams
Networks this one appears to provide transit to
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.