AS4837
CHINA UNICOM China169 Backbone ISP registered in China
1,065IPv4 prefixes
464IPv6 prefixes
88%RPKI-valid
#228AS Rank
328/328RIS visibility
#14Rank in China
2001-09-17Allocated
CHINA UNICOM China169 Backbone (AS4837) — ISP, registered in China. announces 1,065 IPv4 prefixes + 464 IPv6 prefixes. Rank in China: #14. Allocated: 2001-09-17.
IPv4 1,065IPv6 464
Announced prefixes · 1,529
- v4 220.202.96.0/19 valid
- v4 220.203.0.0/19 unknown
- v4 220.203.128.0/18 valid
- v4 220.203.32.0/19 unknown
- v4 220.203.64.0/18 unknown
- v4 220.205.0.0/16 unknown
- v4 220.207.184.0/22 valid
- v4 220.248.128.0/19 valid
- v4 220.248.160.0/19 valid
- v4 220.248.192.0/18 unknown
- v4 220.248.192.0/19 valid
- v4 220.248.224.0/19 unknown
- v4 220.249.128.0/18 valid
- v4 220.249.64.0/18 unknown
- v4 220.250.0.0/19 valid
- v4 220.250.32.0/19 valid
- v4 220.250.64.0/18 unknown
- v4 221.0.0.0/15 valid
- v4 221.10.0.0/16 valid
- v4 221.10.25.0/24 valid
- v4 221.11.0.0/17 valid
- v4 221.11.128.0/18 valid
- v4 221.11.192.0/19 valid
- v4 221.11.224.0/19 valid
- v4 221.12.0.0/17 valid
- v4 221.12.128.0/18 valid
- v4 221.13.0.0/18 valid
- v4 221.13.124.0/24 valid
- v4 221.13.128.0/17 valid
- v4 221.13.132.0/24 valid
- v4 221.13.64.0/19 valid
- v4 221.13.96.0/19 valid
- v4 221.14.0.0/15 valid
- v4 221.192.0.0/15 valid
- v4 221.192.166.0/23 valid
- v4 221.194.0.0/16 valid
- v4 221.195.0.0/16 valid
- v4 221.196.0.0/15 valid
- v4 221.198.0.0/16 valid
- v4 221.199.0.0/17 valid
- v4 221.199.0.0/19 valid
- v4 221.199.128.0/18 unknown
- v4 221.199.178.0/24 valid
- v4 221.199.192.0/20 unknown
- v4 221.199.203.0/24 valid
- v4 221.199.224.0/19 valid
- v4 221.199.32.0/20 valid
- v4 221.2.0.0/16 valid
- v4 221.2.225.0/24 valid
- v4 221.200.0.0/14 valid
RPKI: rpki.cloudflare.com · 2026-06-22
Routing: 1,087 IPv4 · 470 IPv6 announced · RIS visibility 328/328 RIS peers · RIPEstat · 2026-06-22
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 1525 |
| 2026-06-13 | 1525 |
| 2026-06-14 | 1524 |
| 2026-06-16 | 1525 |
| 2026-06-17 | 1526 |
| 2026-06-19 | 1529 |
| 2026-06-20 | 1529 |
| 2026-06-21 | 1529 |
Internet Exchanges · 2
- AMS-IX Amsterdam 100 Gbps
- DE-CIX Frankfurt Frankfurt 100 Gbps
Facilities · 10
- China Unicom (Hong Kong) Global Center Hong Kong
- CoreSite - Los Angeles (LA1) One Wilshire Los Angeles
- Digital Realty Frankfurt FRA1-27 Frankfurt
- Equinix LD8 - London, Docklands London
- Equinix MI1 - Miami, NOTA Miami
- Equinix SG1 - Singapore Singapore
- Equinix SK1 - Stockholm, Bromma Stockholm
- Equinix SV1/SV5/SV10 - Silicon Valley, San Jose San Jose
- FiberNet Telecom Group - 60 Hudson St New York
- MEGA-i (iAdvantage Hong Kong) Hong Kong
AS topology · Customer cone 242
Providers · 13
Peers · 49
Embed this on your site
Badge 
[](https://ipdex.io/asn/AS4837/)
<a href="https://ipdex.io/asn/AS4837/"><img src="https://ipdex.io/badge/asn/4837.svg" alt="AS4837 on ipdex"></a>
Live chart (iframe)
<iframe src="https://ipdex.io/embed/asn/4837" width="680" height="260" frameborder="0" scrolling="no" title="ipdex chart" style="border:0;max-width:100%"></iframe>