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
86
transit customers observed
Customer cone
23,298
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 |
|---|---|---|---|---|
| 123.125.29.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.128.0.0/13 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 123.129.29.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.129.192.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.132.239.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 123.138.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.139.173.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.139.188.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 123.139.211.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 123.144.0.0/14 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.148.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.152.0.0/13 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.152.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.154.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.155.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.156.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.157.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.157.101.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 123.157.135.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 123.157.240.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 123.158.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.159.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.188.0.0/14 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.188.253.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.189.196.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.232.0.0/14 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.232.38.0/24 v4 | RPKI valid | 39 | 3454955114837 | 2026-09-18 |
| 123.234.0.0/18 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 123.234.32.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.234.218.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.234.224.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 123.235.1.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.65.16.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 124.65.18.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 124.66.0.0/17 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.67.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.88.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.88.179.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 124.89.0.0/17 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.89.66.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.89.128.0/17 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.90.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.92.0.0/14 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.93.0.0/16 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 124.93.212.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 124.128.0.0/13 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.133.251.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.152.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.160.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.160.12.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 124.161.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.162.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.162.217.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.163.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.163.7.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.164.0.0/14 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.164.6.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.165.3.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.166.7.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.167.5.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 124.240.128.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.32.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.34.243.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 125.34.244.0/24 v4 | RPKI valid | 41 | 24482100994837 | 2026-09-18 |
| 125.34.247.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 125.34.248.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 125.34.251.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 125.34.252.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 125.34.253.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 125.34.254.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 125.35.128.0/17 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.35.128.0/20 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 125.36.0.0/14 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.40.0.0/13 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.40.134.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.40.212.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.45.164.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.46.5.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.46.21.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.46.22.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.46.29.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.46.30.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.46.48.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.46.51.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.46.70.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.46.78.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.46.87.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.211.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 125.211.16.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 139.159.112.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 139.170.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 139.208.0.0/13 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 144.48.64.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 146.196.68.0/22 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 150.129.136.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 150.242.232.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 150.255.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 153.0.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 153.3.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 153.34.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 153.36.0.0/15 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 153.99.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 153.101.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 157.0.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 165.101.70.0/24 v4 | RPKI valid | 5 | 55720100994837 | 2026-09-18 |
| 171.34.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 171.36.0.0/14 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 171.116.0.0/14 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 171.120.0.0/13 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 175.16.0.0/13 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 175.42.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 175.43.16.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 175.44.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 175.146.0.0/15 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 175.148.0.0/14 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 175.152.0.0/14 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 175.160.0.0/12 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 175.184.128.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 180.95.128.0/17 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 180.95.155.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 180.95.236.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 180.129.128.0/17 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 180.130.0.0/16 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 180.130.188.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 180.130.248.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 180.178.252.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 182.50.8.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 182.54.0.0/17 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 182.88.0.0/14 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 182.90.242.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 182.112.0.0/12 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 182.116.62.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 183.92.0.0/14 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 183.184.0.0/13 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.38.164.0/23 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 202.38.166.0/23 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 202.63.160.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.75.208.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.75.208.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.75.212.0/22 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.91.224.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.91.232.0/21 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.96.64.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.96.91.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.96.93.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.97.128.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.97.130.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.97.131.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.97.136.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.97.140.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.97.141.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.97.160.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.97.192.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.98.0.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.98.22.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 202.99.21.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 202.99.56.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 202.99.64.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.99.69.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.99.96.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.99.104.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.99.128.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.99.192.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.99.195.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.99.203.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.99.212.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.99.216.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.99.224.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.99.224.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 202.102.128.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.102.224.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.102.224.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 202.102.225.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 202.102.227.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |
| 202.106.133.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 202.107.0.0/17 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.108.3.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.108.6.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.108.7.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.108.146.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 202.110.0.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.110.49.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 202.110.64.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.110.67.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.110.92.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.110.116.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.110.192.0/18 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.110.210.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 202.110.224.0/24 v4 | RPKI valid | 41 | 70184837 | 2026-09-18 |
| 202.111.128.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 202.111.160.0/19 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 203.79.0.0/23 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 203.80.144.0/20 v4 | no ROA | 41 | 3454955114837 | 2026-09-18 |
| 203.93.0.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 203.93.144.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 203.93.160.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 210.5.128.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 210.12.50.0/24 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 210.22.48.0/20 v4 | RPKI valid | 41 | 3454955114837 | 2026-09-18 |
| 210.22.55.0/24 v4 | RPKI valid | 40 | 3454955114837 | 2026-09-18 |