AS137539 China Unicom

UNICOM-Harbin-IDC - China Unicom · registered in China

IPv4 addresses65,5361 prefixes · 0.002% of announced IPv4

Rank in China#127largest network in CN by IPv4 space, of 601 · 0.02% of CN

Rank worldwide#2,907of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryChina5,117 ASNs registered there

Open AS137539 in ASN lookup Look up an IP in this network (116.182.0.1) All networks in China

IPv4 prefixes

All 1 prefix, in address order.

116.182.0.0/16

IPv6 prefixes

All 1 prefix.

2408:877c::/32

Other ASNs named China Unicom

1 other network uses the same organisation name; together with AS137539 they announce 140,544 IPv4 addresses.

ASNNameIPv4 addresses

AS138421CU-CN-AS - China Unicom CN75,008

Similar-sized networks in China

ASNNameIPv4 addresses

AS56005#124 Fastidc - Zhengzhou Fastidc Technology Co.,Ltd.66,560

AS18239#125 CAPNET - NO.11 Xi San Huan Zhong Road,Beijing65,536

AS24371#126 CNGI-CHC-IX-AS-AP - CERNET2 IX at Jilin University65,536

AS24137#128 HNPCNET - KuanggongLu, Pingdingshan, Henan, China65,536

AS24353#129 CNGI-XA-IX-AS-AP - CERNET2 IX at Xi'an Jiaotong University65,536

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

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