AS4837 China Unicom Backbone 🇨🇳 CN
CNCGROUP IP network of ShangHai IDC. Announcing 2,174 prefixes, seen at the RIS collectors.
IPv4 prefixes
1,522
59,289,600 (231,600 × /24)
IPv6 prefixes
652
401 × /32
Upstreams
13
transit providers observed
Peers
26
settlement-free adjacencies
Downstreams
92
transit customers observed
Customer cone
28,900
ASes reachable through it
Registry and operator data
- AS number
- AS4837
- Name
- China Unicom Backbone
- Organisation
- China Unicom
- Country
- 🇨🇳 CN
- RIR
- APNIC
- Allocated
- 2001-09-17
- Network type
- NSP
- Traffic levels
- 10-20Tbps
- Scope
- Regional
- Peering policy
- Selective
- IRR as-set
- APNIC::AS4837:AS-CNCGROUP
- Website
- https://www.chinaunicom.cn/
- PeeringDB
- net/730
- Exchanges
- 3
- Facilities
- 10
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Upstream graph
How this network reaches the rest of the internet, two hops out
Drawing the graph…
Only transit edges carried on more than fifty observed paths are drawn, so a large network's full neighbour list is deliberately not shown here.