AS17638 China Telecom Tianjin Province Network 🇨🇳 CN
TIANJIN Provincial Net of CT. Announcing 540 prefixes, seen at the RIS collectors.
IPv4 prefixes
521
1,158,144 (4,524 × /24)
IPv6 prefixes
19
7 × /32
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it
Registry and operator data
- AS number
- AS17638
- Name
- China Telecom Tianjin Province Network
- Organisation
- TIANJIN Provincial Net of CT
- Country
- 🇨🇳 CN
- RIR
- APNIC
- Allocated
- 2002-11-18
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 |
|---|---|---|---|---|---|
| AS4134 China Telecom Backbone | 🇨🇳 CN | 7,986 | 2,229 | 22,661 | 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
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS132536 China Telecom | 🇨🇳 CN | 0 | 20 | 970 | 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.