AS10206 China Unicom Zhongwei Cloud

CUZW-CN - China Unicom Zhongwei Cloud · registered in China

IPv4 addresses1,5364 prefixes · <0.001% of announced IPv4

Rank in China#354largest network in CN by IPv4 space, of 601 · <0.01% of CN

Rank worldwide#26,030of 79,396 networks with IPv4

IPv618,432 x /482 prefixes

CountryChina5,117 ASNs registered there

Open AS10206 in ASN lookup Look up an IP in this network (103.251.240.1) All networks in China

IPv4 prefixes

All 4 prefixes, in address order.

103.251.240.0/23
116.129.224.0/24
116.129.226.0/24
116.129.242.0/23

IPv6 prefixes

All 2 prefixes.

2408:8001:e800::/37
2408:8779::/34

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources