Telecom Carrier
AS4837 — China Unicom
China Unicom — one of China's three state telecom operators.
About this autonomous system
AS4837 is the main AS for China Unicom (CNC group), one of three giant Chinese carriers along with China Telecom (AS4134) and China Mobile (AS9808). Most traffic from this AS originates inside mainland China and passes through the Great Firewall's filtering layers before reaching the global internet.
Common uses
- •China Unicom mobile and broadband
- •Chinese enterprise WAN
Notable IP ranges
- 123.0.0.0/8 (partial)
- 60.255.0.0/16
Illustrative — China Unicom announces many more ranges.
Look up an IP from this ASN
Want to check whether a specific IP belongs to China Unicom? Use our IP lookup tool to see the ASN, location, and reverse DNS of any address.
Open IP Lookup →Frequently asked questions
- Who owns AS4837?
- AS4837 is registered to China Unicom in CN. China Unicom — one of China's three state telecom operators.
- What kind of traffic comes from AS4837?
- AS4837 is classified as a telecom carrier. Common services include China Unicom mobile and broadband, Chinese enterprise WAN.
- Is an IP from AS4837 a bot or proxy?
- IPs from AS4837 are typically residential or carrier connections (China Unicom). They're unlikely to be flagged as proxy or VPN traffic unless something else looks unusual.
- What IP ranges does AS4837 announce?
- Some of the notable ranges include 123.0.0.0/8 (partial), 60.255.0.0/16 — but China Unicom announces many more. Use our IP lookup to check a specific IP.