AS139148 China UnionPay Co., Ltd

CHINAUNIONPAY - China UnionPay Co., Ltd · registered in China

IPv4 addresses3,0723 prefixes · <0.001% of announced IPv4

Rank in China#312largest network in CN by IPv4 space, of 601 · <0.01% of CN

Rank worldwide#18,450of 79,396 networks with IPv4

IPv632 x /4810 prefixes

CountryChina5,117 ASNs registered there

Open AS139148 in ASN lookup Look up an IP in this network (103.145.42.1) All networks in China

IPv4 prefixes

All 3 prefixes, in address order.

103.145.42.0/23
115.172.32.0/21
115.172.46.0/23

IPv6 prefixes

All 10 prefixes.

2405:78c0:6e00::/45
2405:78c0:6e08::/46
2405:78c0:6e0c::/47
2405:78c0:6e0e::/48
2405:78c0:6e0f::/48
2405:78c0:6e10::/45
2405:78c0:6e18::/46
2405:78c0:6e1c::/47
2405:78c0:6e1e::/48
2405:78c0:6e1f::/48

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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