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AS37914
AS37914 Advanced Software Technology and Management Research Institute of KYOTO
Univnet - Advanced Software Technology and Management Research Institute of KYOTO · registered in Japan
IPv4 addresses 4,352 2 prefixes · <0.001% of announced IPv4
Rank in Japan #387 largest network in JP by IPv4 space, of 724 · <0.01% of JP
Rank worldwide #14,792 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
Country Japan 745 ASNs registered there
IPv4 prefixes
All 2 prefixes, in address order.
163.208.176.0/20 192.50.154.0/24
Similar-sized networks in Japan
ASN Name IPv4 addresses
AS59118 #384 FNC-O2 - NRI SecureTechnologies, Ltd.4,608
AS55912 #385 u-kochi - University of Kochi4,352
AS59106 #386 INET6 - Cyber and Internet Association4,352
AS55897 #388 SAKURA-F - SAKURA Internet Inc.4,352
AS18259 #389 HIGE - NTT DOCOMO BUSINESS, Inc4,096
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