AS4837 China Unicom Backbone 🇨🇳 CN
CNCGROUP IP network of ShangHai IDC. Announcing 2,173 prefixes, seen at the RIS collectors.
IPv4 prefixes
1,521
59,346,688 (231,823 × /24)
IPv6 prefixes
652
402 × /32
Upstreams
16
transit providers observed
Peers
23
settlement-free adjacencies
Downstreams
87
transit customers observed
Customer cone
23,317
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
2,173 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 218.104.159.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 218.104.224.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 218.104.224.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 218.106.80.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 218.106.96.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 218.106.112.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 218.106.144.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 218.107.192.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 218.107.211.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 219.154.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 219.156.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 219.156.157.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 219.157.71.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 219.157.75.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 219.158.0.0/20 v4 | no ROA | 41 | 70184837 | 2026-09-18 |
| 219.158.0.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 219.158.16.0/20 v4 | no ROA | 41 | 70184837 | 2026-09-18 |
| 219.158.26.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 219.158.32.0/20 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 219.158.58.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 219.158.59.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 219.158.60.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 219.158.61.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 219.158.62.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 219.158.63.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 219.158.96.0/19 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 219.159.0.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 219.159.12.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.114.250.0/23 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 220.192.0.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.192.64.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.192.80.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.192.96.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.192.128.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.192.160.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.192.176.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.192.184.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.192.188.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.192.192.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.192.208.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.192.216.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.192.224.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.193.0.0/17 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.194.64.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.194.128.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.194.128.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.194.138.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.194.147.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.194.148.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.194.172.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.194.188.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.194.189.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.194.192.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.195.0.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.195.32.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.195.64.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.195.128.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.195.192.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.196.47.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.197.0.0/17 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.197.0.0/24 v4 | RPKI valid | 39 | 3454955114837 | 2026-09-18 |
| 220.197.77.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.197.160.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.197.169.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.197.176.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.197.176.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 220.197.192.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.197.224.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.197.232.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.197.240.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.200.0.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.200.64.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.200.96.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.200.112.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.200.128.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.200.148.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.200.152.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.200.160.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.200.192.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.201.0.0/17 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.201.128.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.201.192.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.202.0.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.202.64.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.202.96.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.202.128.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.202.160.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.202.192.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.203.0.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.203.32.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.203.64.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.203.128.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.205.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.207.184.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.248.128.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.248.160.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.248.167.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 220.248.179.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 220.248.191.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 220.248.192.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.248.192.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.248.224.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.249.64.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.249.128.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.250.0.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.250.32.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 220.250.64.0/18 v4 | no ROA | 41 | 70184837 | 2026-09-18 |
| 220.250.118.0/23 v4 | no ROA | 4 | 557202376441344837 | 2026-09-18 |
| 220.250.120.0/23 v4 | no ROA | 4 | 557202376441344837 | 2026-09-18 |
| 220.250.122.0/23 v4 | no ROA | 4 | 557202376441344837 | 2026-09-18 |
| 220.250.124.0/23 v4 | no ROA | 4 | 557202376441344837 | 2026-09-18 |
| 220.250.126.0/23 v4 | no ROA | 4 | 557202376441344837 | 2026-09-18 |
| 220.250.127.0/24 v4 | no ROA | 4 | 557202376441344837 | 2026-09-18 |
| 221.0.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.0.186.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.1.73.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.1.209.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.2.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.2.68.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.2.76.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.2.85.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.2.140.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.2.150.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.2.155.0/24 v4 | RPKI valid | 39 | 3454955114837 | 2026-09-18 |
| 221.2.161.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.2.225.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.2.235.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.3.0.0/17 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.3.128.0/17 v4 | RPKI valid | 40 | 70184837 | 2026-09-18 |
| 221.3.136.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.3.140.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.3.192.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.3.224.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.3.240.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.4.9.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.4.66.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.5.128.0/17 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.5.203.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.5.211.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.5.212.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.5.226.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.5.227.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.6.0.0/16 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 221.6.4.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.6.54.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.0.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.7.1.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.9.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.10.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.11.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.15.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.17.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.18.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.19.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.23.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.24.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.25.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.26.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.29.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.30.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.7.31.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.32.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.7.32.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.7.33.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.64.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.7.85.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.7.92.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.7.96.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.7.113.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.7.128.0/17 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 221.7.128.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.136.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.176.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.7.188.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.189.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.7.232.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.8.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.8.12.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 221.8.223.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.10.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.10.25.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 221.10.58.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.11.0.0/17 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.11.10.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.11.49.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.11.64.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.11.89.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.11.128.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.11.192.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.11.216.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.11.224.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.12.0.0/17 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 221.12.49.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.12.65.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.12.85.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.12.100.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.12.128.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 221.12.155.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 221.13.0.0/18 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 221.13.49.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |