China Unicom IP Ranges
China Unicom's main backbone is registered with APNIC as AS4837 under the AS name CHINA169-Backbone, the network's own internal name. Like China Telecom it delegates address space by province, but it labels the blocks under a different scheme.
- Provider
- China Unicom
- Primary ASN
- AS4837
- Category
- ISP
- Headquarters
- Beijing, China
- Announced IPv4 prefixes
- 1170
- Registry
- APNIC
Known IP ranges
These prefixes are currently announced to the global routing table by AS4837 (CHINA169-Backbone - CHINA UNICOM China169 Backbone). Prefix sets change over time - use WHOIS Lookup for the authoritative record on any specific address.
39.64.0.0/11
27.192.0.0/11
112.224.0.0/11
115.48.0.0/12
42.224.0.0/12
119.176.0.0/12
120.0.0.0/12
110.240.0.0/12
182.112.0.0/12
101.16.0.0/12
2408:8444::/30
2408:8744::/30
2408:8344::/30 (IPv6)
What does a China Unicom IP mean in a privacy test?
A China Unicom address as your visible IP means traffic left over the China169 network with nothing tunnelling it. As with the other Chinese carriers the ASN alone answers only at the level of the country, and the useful detail - which province the block serves - comes from querying the specific address in APNIC.
Where to get China Unicom's address list
No allowlist is published, so APNIC is the source. The aut-num for AS4837 carries the AS name CHINA169-Backbone and the description CHINA UNICOM China169 Backbone, registered on 4 September 2008 and last changed in February 2024; the prefixes above are the largest currently announced. The AS4837 page carries the record with the routing detail.
Underneath, the address space is delegated per province the way China Telecom's is, but with its own labelling. Query 112.224.0.0 and the object is UNICOM-SD, covering 112.224.0.0/11 and described as the China Unicom Shandong province network - a UNICOM- prefix and a two-letter province code, where China Telecom uses CHINANET- with the same idea. Anyone building province-level rules across both carriers has to handle two naming schemes rather than one.
China169 is not the only China Unicom backbone
AS4837 is the general-purpose network, and it is the one most China Unicom addresses sit on. It is not the whole company: China Unicom also runs AS9929, registered as CUII and described as the CHINA UNICOM Industrial Internet Backbone, as a separate autonomous system with its own space. An address that fails a check against AS4837 has not therefore been shown to be outside China Unicom.
What a match settles is the operator, and with an inetnum query the province. What it leaves open is the type of connection. Nothing in the registry separates a household from a business circuit or from a machine rented in a China Unicom facility, so an address on this network can be any of them - which is the practical difference between reading a Chinese carrier's records and reading a European one, where the assignment type is often stated.
Related tools
Frequently asked questions
What IP ranges does China Unicom use?
China Unicom announces its main backbone under AS4837, registered with APNIC under the AS name CHINA169-Backbone. The largest blocks currently routed there are listed above, among them 39.64.0.0/11, 27.192.0.0/11 and 112.224.0.0/11. No allowlist is published, so APNIC and the routing table are the sources.
Why does a China Unicom IP appear in my privacy test?
A China Unicom address as your visible IP means traffic left over the China169 network with nothing tunnelling it. As with the other Chinese carriers the ASN alone answers only at the level of the country, and the useful detail - which province the block serves - comes from querying the specific address in APNIC.
What does China169 mean?
It is the network's own name, and it is what APNIC records: the aut-num for AS4837 carries the AS name CHINA169-Backbone and the description CHINA UNICOM China169 Backbone. It refers to China Unicom's national backbone rather than to any particular address block.
How do I find which province a China Unicom IP serves?
Query the address in APNIC rather than the ASN. The space is delegated per province under a UNICOM- prefix with a two-letter code, so 112.224.0.0 returns UNICOM-SD, described as the China Unicom Shandong province network.
Is AS4837 the only China Unicom network?
No. China Unicom also runs AS9929, registered as CUII and described as the CHINA UNICOM Industrial Internet Backbone, as a separate autonomous system with its own address space. A rule matching only AS4837 will not cover it.