AS4837 China Unicom Backbone 🇨🇳 CN
CNCGROUP IP network of ShangHai IDC. Announcing 2,172 prefixes, seen at the RIS collectors.
IPv4 prefixes
1,520
59,345,664 (231,819 × /24)
IPv6 prefixes
652
402 × /32
Upstreams
15
transit providers observed
Peers
23
settlement-free adjacencies
Downstreams
87
transit customers observed
Customer cone
23,379
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
2,172 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 1.24.0.0/13 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 1.30.160.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 1.30.162.0/23 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 1.56.0.0/13 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 1.62.182.0/24 v4 | RPKI valid | 40 | 70184837 | 2026-09-18 |
| 1.188.0.0/14 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 14.204.0.0/15 v4 | RPKI valid | 40 | 70184837 | 2026-09-18 |
| 14.204.8.0/22 v4 | RPKI valid | 40 | 70184837 | 2026-09-18 |
| 14.204.20.0/22 v4 | RPKI valid | 40 | 70184837 | 2026-09-18 |
| 14.204.40.0/22 v4 | RPKI valid | 40 | 70184837 | 2026-09-18 |
| 14.204.60.0/22 v4 | RPKI valid | 40 | 70184837 | 2026-09-18 |
| 14.204.208.0/22 v4 | RPKI valid | 40 | 70184837 | 2026-09-18 |
| 14.205.4.0/22 v4 | RPKI valid | 40 | 70184837 | 2026-09-18 |
| 14.205.40.0/21 v4 | RPKI valid | 40 | 70184837 | 2026-09-18 |
| 14.205.72.0/22 v4 | RPKI valid | 40 | 70184837 | 2026-09-18 |
| 14.205.92.0/22 v4 | RPKI valid | 40 | 70184837 | 2026-09-18 |
| 27.0.128.0/24 v4 | no ROA | 41 | 70184837 | 2026-09-18 |
| 27.0.130.0/23 v4 | no ROA | 41 | 70184837 | 2026-09-18 |
| 27.8.0.0/13 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.0.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.1.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.8.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.9.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.10.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.14.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.22.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.23.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.24.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.25.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.26.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.27.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.28.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.29.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.30.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.31.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.32.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.33.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.34.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.35.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.36.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.37.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.38.0/24 v4 | RPKI valid | 40 | 70184837 | 2026-09-18 |
| 27.40.39.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.40.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.41.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.42.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.43.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.44.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.45.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.46.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.47.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.48.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.49.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.50.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.51.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.52.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.53.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.54.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.55.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.56.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.57.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.58.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.59.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.60.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.40.61.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.50.128.0/17 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.98.224.0/19 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.112.0.0/21 v4 | no ROA | 41 | 70184837 | 2026-09-18 |
| 27.115.80.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.192.0.0/11 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 27.223.1.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.223.98.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 27.223.102.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 36.32.0.0/14 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 36.50.226.0/24 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 36.51.253.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 36.248.0.0/14 v4 | RPKI valid | 42 | 70184837 | 2026-09-18 |
| 39.64.0.0/11 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.4.0.0/14 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.48.0.0/15 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.52.0.0/14 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.56.0.0/14 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.63.0.0/16 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.63.7.0/24 v4 | RPKI valid | 40 | 70184837 | 2026-09-18 |
| 42.84.0.0/14 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.176.0.0/13 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.224.0.0/12 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.226.7.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.227.69.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.228.2.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.228.3.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.228.4.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.228.7.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.228.8.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.228.9.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.228.11.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.228.13.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 42.235.204.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.224.12.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.224.24.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.224.52.0/23 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.224.80.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.226.116.0/23 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.226.118.0/23 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.226.128.0/23 v4 | RPKI valid | 3 | 55720100994837 | 2026-09-18 |
| 43.226.164.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.227.104.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.239.120.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.240.0.0/22 v4 | RPKI valid | 4 | 55720100994837 | 2026-09-18 |
| 43.240.56.0/22 v4 | RPKI invalid | 5 | 3800174734837 | 2026-09-18 |
| 43.240.72.0/22 v4 | RPKI valid | 6 | 55720100994837 | 2026-09-18 |
| 43.240.156.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.240.204.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.241.16.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 43.241.50.0/23 v4 | RPKI valid | 4 | 55720100994837 | 2026-09-18 |
| 43.242.152.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.242.156.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.242.164.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.242.180.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.243.4.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.243.7.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.243.16.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.243.156.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.243.228.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.247.4.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.248.108.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 43.248.184.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 43.248.192.0/20 v4 | RPKI valid | 4 | 55720100994837 | 2026-09-18 |
| 43.248.200.0/22 v4 | RPKI valid | 4 | 55720100994837 | 2026-09-18 |
| 43.248.244.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.249.136.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.249.236.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 43.250.4.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.250.96.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.250.112.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.250.168.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.250.200.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.250.244.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.251.4.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 43.251.36.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.251.232.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 43.254.8.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.254.136.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 43.255.96.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 45.113.24.0/22 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 45.115.164.0/22 v4 | RPKI valid | 4 | 55720100994837 | 2026-09-18 |
| 45.119.68.0/22 v4 | no ROA | 41 | 70184837 | 2026-09-18 |
| 45.124.76.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 45.250.32.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 45.250.36.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 45.250.38.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 45.250.39.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 45.252.0.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 45.252.2.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 45.252.104.0/22 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 45.254.48.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 45.254.50.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 49.4.96.0/21 v4 | no ROA | 41 | 70184837 | 2026-09-18 |
| 49.4.104.0/22 v4 | no ROA | 41 | 70184837 | 2026-09-18 |
| 49.4.108.0/23 v4 | no ROA | 41 | 70184837 | 2026-09-18 |
| 49.4.110.0/24 v4 | no ROA | 41 | 70184837 | 2026-09-18 |
| 58.16.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.16.35.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.16.40.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.16.43.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.16.63.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.16.185.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.17.0.0/17 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.17.128.0/17 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.17.243.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.18.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.19.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.19.121.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.19.122.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.20.0.0/16 v4 | RPKI valid | 42 | 3454955114837 | 2026-09-18 |
| 58.20.124.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.20.127.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.20.157.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.20.159.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.20.176.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.20.177.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.20.221.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.20.240.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.20.241.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.20.255.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.21.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.22.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.22.104.0/23 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 58.22.111.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.23.0.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.83.17.0/24 v4 | RPKI invalid | 2 | 55720100994837 | 2026-09-18 |
| 58.144.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.144.147.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.144.216.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.144.217.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.144.221.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.144.223.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 58.240.0.0/15 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 58.240.49.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 58.240.56.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |