AS4837 China Unicom Backbone 🇨🇳 CN

CNCGROUP IP network of ShangHai IDC. Announcing 2,172 prefixes, seen at the RIS collectors.

IPv4 prefixes
1,520
59,343,104 (231,809 × /24)
IPv6 prefixes
652
401 × /32
Upstreams
14
transit providers observed
Peers
26
settlement-free adjacencies
Downstreams
91
transit customers observed
Customer cone
20,834
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
AS4837:AS-CNCGROUP
PeeringDB
net/730
Exchanges
3
Facilities
10

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

2,113 valid (97.3%) 6 invalid (0.3%) 53 no ROA (2.4%)

Internet exchange presence

From PeeringDB, which networks maintain themselves

ExchangeCityCountry IPv4IPv6SpeedRoute server
AMS-IX Amsterdam 🇳🇱 NL 80.249.211.239 2001:7f8:1::a500:4837:1 100 G no
DE-CIX Frankfurt Frankfurt 🇩🇪 DE 80.81.195.58 2001:7f8::12e5:0:1 100 G no
LINX LON1 London 🇬🇧 GB 195.66.227.72 2001:7f8:4::12e5:1 10 G no