AS45083 China UNICOM, Beijing Branch

BGTELECOM - China UNICOM, Beijing Branch · registered in China

IPv4 addresses65,5367 prefixes · 0.002% of announced IPv4

Rank in China#133largest network in CN by IPv4 space, of 601 · 0.02% of CN

Rank worldwide#3,359of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryChina5,117 ASNs registered there

Open AS45083 in ASN lookup Look up an IP in this network (1.45.0.1) All networks in China

IPv4 prefixes

All 7 prefixes, in address order.

1.45.0.0/17
1.45.128.0/18
1.45.192.0/20
1.45.208.0/22
1.45.212.0/22
1.45.216.0/21
1.45.224.0/19

Similar-sized networks in China

ASNNameIPv4 addresses

AS24361#130 CNGI-NJ-IX-AS-AP - CERNET2 IX at Southeast University65,536

AS37937#131 eGovNet - China eGovNet Information Center65,536

AS45075#132 CRI - China Central Television65,536

AS45113#134 DTcoal - Shanxi Datong Coal Group Communication Co., Ltd65,536

AS24349#135 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University65,280

AS24357#136 CNGI-GZ-IX-AS-AP - CERNET2 IX at South China University of Technology65,280

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