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
16
transit providers observed
Peers
23
settlement-free adjacencies
Downstreams
87
transit customers observed
Customer cone
23,307
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 |
|---|---|---|---|---|
| 61.241.160.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.241.192.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.241.224.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.242.128.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.242.160.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.242.192.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.0.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.1.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.2.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.3.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.4.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.10.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.11.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.12.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.32.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.48.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.64.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.96.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.112.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.120.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.124.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.128.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.192.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 61.243.224.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 101.16.0.0/12 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 101.23.255.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 101.50.8.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 101.64.0.0/13 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 101.64.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 101.66.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 101.67.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 101.68.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 101.69.0.0/16 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 101.70.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 101.71.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 101.72.0.0/14 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 101.125.0.0/23 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 101.125.2.0/23 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 101.125.4.0/23 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 101.125.6.0/24 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 101.125.250.0/23 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 101.198.196.0/22 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 101.199.48.0/20 v4 | RPKI valid | 5 | 55720100994837 | 2026-09-18 |
| 101.199.196.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 101.204.0.0/14 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 101.251.144.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 101.251.144.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.3.96.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.3.112.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.3.116.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.3.124.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.3.136.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.3.140.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.3.152.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.8.33.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.8.34.0/23 v4 | RPKI valid | 5 | 55720100994837 | 2026-09-18 |
| 103.8.35.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.14.132.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.24.228.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.27.240.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.28.204.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.36.28.0/22 v4 | RPKI invalid | 5 | 3800174734837 | 2026-09-18 |
| 103.36.208.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.38.40.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.40.192.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.40.232.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.43.134.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.44.80.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.45.76.0/22 v4 | no ROA | 41 | 70184837 | 2026-09-18 |
| 103.45.160.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.45.161.0/24 v4 | RPKI valid | 5 | 55720100994837 | 2026-09-18 |
| 103.45.162.0/23 v4 | RPKI valid | 7 | 55720100994837 | 2026-09-18 |
| 103.56.60.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.59.124.0/22 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 103.63.160.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.85.84.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.85.86.0/23 v4 | RPKI valid | 5 | 55720100994837 | 2026-09-18 |
| 103.90.92.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.98.44.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.98.46.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.98.47.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.110.132.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.114.100.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.116.138.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.123.4.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.152.76.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.163.180.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 103.186.4.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.189.92.0/24 v4 | RPKI valid | 5 | 55720100994837 | 2026-09-18 |
| 103.189.93.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.193.188.0/22 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 103.197.1.0/24 v4 | RPKI invalid | 1 | 55720100994837 | 2026-09-18 |
| 103.205.192.0/22 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 103.205.252.0/22 v4 | RPKI valid | 1 | 443933571048094837 | 2026-09-18 |
| 103.207.228.0/22 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 103.211.220.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 103.214.48.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.219.32.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.220.240.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.220.242.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.221.140.0/22 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 103.227.120.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.227.136.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.227.228.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.229.148.0/22 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 103.234.56.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.236.120.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.238.160.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.239.68.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.239.244.0/23 v4 | RPKI valid | 1 | 443933571048094837 | 2026-09-18 |
| 103.239.246.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.239.247.0/24 v4 | RPKI valid | 5 | 55720100994837 | 2026-09-18 |
| 103.240.36.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.240.84.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.240.124.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.246.152.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.248.152.0/23 v4 | RPKI valid | 5 | 55720100994837 | 2026-09-18 |
| 103.248.154.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.250.32.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.250.104.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.250.124.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.250.216.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.250.248.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.251.96.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.251.124.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.251.160.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.251.240.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 103.253.60.0/22 v4 | no ROA | 5 | 55720100994837 | 2026-09-18 |
| 103.255.92.0/22 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 106.3.208.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 110.6.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 110.6.180.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 110.7.46.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 110.16.0.0/14 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 110.16.70.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 110.16.88.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 110.16.127.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 110.16.193.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 110.16.195.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 110.17.168.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 110.17.169.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 110.52.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 110.52.103.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 110.52.127.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 110.72.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 110.228.0.0/14 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 110.240.0.0/12 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 110.249.172.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 111.85.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 111.85.136.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 111.160.0.0/13 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 111.160.61.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 111.161.125.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 111.164.17.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 111.202.242.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 111.202.246.0/24 v4 | RPKI valid | 40 | 55720100994837 | 2026-09-18 |
| 111.205.38.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 111.205.242.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 111.208.121.0/24 v4 | RPKI valid | 5 | 55720100994837 | 2026-09-18 |
| 111.223.12.0/22 v4 | RPKI valid | 1 | 443933571048094837 | 2026-09-18 |
| 112.64.143.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 112.65.23.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 112.65.184.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 112.73.96.0/19 v4 | RPKI invalid | 5 | 3800174734837 | 2026-09-18 |
| 112.80.0.0/13 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 112.80.7.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 112.81.16.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 112.83.254.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 112.84.186.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 112.89.172.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 112.89.173.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 112.109.128.0/17 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 112.111.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 112.122.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 112.132.0.0/16 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 112.192.0.0/14 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 112.224.0.0/11 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 113.0.0.0/13 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 113.0.152.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 113.4.64.0/18 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 113.8.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 113.9.3.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 113.9.6.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 113.49.0.0/20 v4 | RPKI valid | 5 | 55720100994837 | 2026-09-18 |
| 113.56.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 113.58.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 113.59.0.0/17 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 113.194.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 113.200.0.0/15 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 113.204.0.0/14 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 113.204.33.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 113.204.60.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 113.204.61.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 113.204.118.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 113.204.168.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 113.204.205.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 113.204.227.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 113.207.111.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 113.207.113.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 113.213.0.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |