AS138457 China Academy of Information and Communications Technology

CAICT-AS-AP - China Academy of Information and Communications Technology · registered in China

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in China#498largest network in CN by IPv4 space, of 601 · <0.01% of CN

Rank worldwide#53,950of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryChina5,117 ASNs registered there

Open AS138457 in ASN lookup Look up an IP in this network (45.120.243.1) All networks in China

IPv4 prefixes

All 2 prefixes, in address order.

45.120.243.0/24
103.61.60.0/24

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AS139266#501 GTITCL-AS-AP - Guangzhou Tiansui Information Technology Co., Ltd.512

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