AS4837 China Unicom Backbone 🇨🇳 CN
CNCGROUP IP network of ShangHai IDC. Announcing 2,169 prefixes, seen at the RIS collectors.
IPv4 prefixes
1,518
59,342,592 (231,807 × /24)
IPv6 prefixes
651
401 × /32
Upstreams
14
transit providers observed
Peers
26
settlement-free adjacencies
Downstreams
92
transit customers observed
Customer cone
20,761
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
- 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
Announced prefixes
2,169 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 210.76.48.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.90.0.0/18 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.90.64.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.90.70.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.90.72.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.90.80.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.90.88.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.90.96.0/19 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.90.128.0/18 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.90.192.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.90.216.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.90.224.0/19 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.91.0.0/18 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.91.64.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.91.80.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.91.88.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.91.89.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.91.96.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.91.120.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.91.128.0/19 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.91.160.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.91.176.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.91.184.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.91.216.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.91.224.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.91.240.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.92.0.0/17 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.92.128.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.92.136.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.92.144.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.92.160.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.92.176.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.92.192.0/19 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.92.224.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.92.244.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.0.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.8.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.16.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.18.0/23 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.24.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.32.0/19 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.64.0/18 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.128.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.144.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.160.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.164.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.168.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.176.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.192.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.200.0/23 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.204.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.211.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.212.0/23 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.93.224.0/19 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.94.37.0/24 v4 | RPKI valid | 43 | 70184837 | 2026-09-18 |
| 211.94.192.0/18 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.97.64.0/19 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.97.96.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.97.104.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.97.112.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.97.128.0/19 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.97.160.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.97.176.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.97.192.0/18 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.101.192.0/20 v4 | no ROA | 42 | 3454955114837 | 2026-09-18 |
| 211.101.240.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.102.128.0/18 v4 | no ROA | 42 | 3454955114837 | 2026-09-18 |
| 211.155.232.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.158.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 211.162.200.0/22 v4 | no ROA | 42 | 3454955114837 | 2026-09-18 |
| 218.7.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.7.7.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.7.80.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.7.250.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.8.0.0/15 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.10.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.10.54.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.11.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.11.142.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.12.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.12.191.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.12.199.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.21.128.0/17 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.21.224.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.21.240.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.24.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.24.3.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.24.126.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.24.160.0/20 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.24.239.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.24.249.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.25.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.25.128.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.25.225.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.26.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.26.6.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.26.7.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.26.23.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.26.26.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.26.80.0/21 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.26.85.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.26.86.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.26.133.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.26.146.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.26.179.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.26.180.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.26.186.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.26.225.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.26.226.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.26.228.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.27.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.0.0/15 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.2.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.5.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.7.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.9.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.18.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.58.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.59.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.60.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.66.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.76.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.103.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.164.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.168.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.172.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.183.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.192.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.193.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.198.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.223.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.28.243.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.14.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.15.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.73.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.77.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.78.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.92.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.93.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.96.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.99.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.101.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.103.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.110.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.114.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.115.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.118.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.137.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.208.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.29.247.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.56.0.0/15 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.56.11.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.56.32.0/24 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.56.165.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.57.131.0/24 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.57.137.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.58.0.0/15 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.58.73.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.58.77.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.58.98.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.59.161.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.60.0.0/16 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.61.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.61.146.0/24 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.61.238.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.62.0.0/17 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.62.33.0/24 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.67.128.0/17 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.67.240.0/24 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.67.241.0/24 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.67.242.0/24 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.68.0.0/15 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.68.25.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.68.57.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.68.60.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.68.160.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.69.89.0/24 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.69.93.0/24 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.69.95.0/24 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.69.96.0/24 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.69.250.0/24 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.98.0.0/21 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.98.8.0/21 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.98.16.0/21 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.98.24.0/21 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.98.32.0/21 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.98.40.0/21 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.98.48.0/21 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.98.56.0/21 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 218.98.160.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.104.64.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.104.96.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.104.128.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.104.144.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.104.157.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.104.159.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.104.224.0/19 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.104.224.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.106.80.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 218.106.96.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |