AS4837 China Unicom Backbone 🇨🇳 CN
CNCGROUP IP network of ShangHai IDC. Announcing 2,174 prefixes, seen at the RIS collectors.
IPv4 prefixes
1,522
59,339,008 (231,793 × /24)
IPv6 prefixes
652
401 × /32
Upstreams
13
transit providers observed
Peers
25
settlement-free adjacencies
Downstreams
90
transit customers observed
Customer cone
20,922
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
Announced prefixes
1,520 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 221.13.65.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.13.67.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.13.94.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.13.96.0/19 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.13.124.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.13.128.0/17 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.13.132.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.13.137.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.13.146.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.14.0.0/15 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.14.91.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.14.135.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.192.0.0/15 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.192.21.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.192.166.0/23 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 221.194.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.194.54.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.194.57.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.195.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.196.0.0/15 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.198.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.199.0.0/17 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.199.0.0/19 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.199.1.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.199.32.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.199.128.0/18 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.199.178.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.199.192.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.199.203.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.199.224.0/19 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.200.0.0/14 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.202.165.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.203.244.0/22 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 221.203.248.0/21 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 221.204.0.0/15 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 221.206.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.207.0.0/18 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 221.207.56.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.207.58.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.207.64.0/18 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.207.128.0/17 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.208.0.0/14 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.208.150.0/24 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 221.208.160.0/22 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 221.209.4.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.210.153.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.210.201.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.210.202.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.212.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.213.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.213.16.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.213.28.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-20 |
| 221.213.36.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.213.40.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.213.44.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.213.48.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.213.52.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.213.60.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.213.68.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.213.72.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.213.100.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.213.124.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.213.160.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.213.220.0/22 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.214.0.0/15 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.214.0.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.214.7.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.214.18.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.214.19.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.214.86.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.214.105.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.214.176.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.214.177.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.214.178.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.214.214.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.215.25.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.215.97.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.215.108.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.215.113.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.215.155.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.215.177.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 221.215.219.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.132.0.0/14 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.132.109.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.132.114.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.133.26.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.133.38.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.133.55.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.134.46.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.134.58.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.134.59.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.134.84.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.135.109.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.135.176.0/22 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 222.135.184.0/21 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 222.135.190.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.136.0.0/13 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.136.99.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.136.190.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.138.26.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.138.67.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.139.18.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.139.23.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.139.27.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.139.190.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.139.247.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.141.18.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.141.51.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.141.70.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.142.60.0/24 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.143.16.0/20 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.143.32.0/19 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.143.64.0/21 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.160.0.0/15 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.161.0.0/22 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 222.161.2.0/23 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 222.161.4.0/22 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 222.161.222.0/23 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 222.162.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 222.163.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |