AS37888 HORIBA, Ltd.

HORIBA-NET - HORIBA, Ltd. · registered in Japan

IPv4 addresses7683 prefixes · <0.001% of announced IPv4

Rank in Japan#573largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#44,325of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS37888 in ASN lookup Look up an IP in this network (202.250.32.1) All networks in Japan

IPv4 prefixes

All 3 prefixes, in address order.

202.250.32.0/24
202.250.37.0/24
202.250.38.0/24

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ASNNameIPv4 addresses

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AS24291#572 MITSUI-NW - MITSUI & CO., LTD.768

AS131077#574 TOHMATSU-NET - Deloitte Tohmatsu Group LLC768

AS137819#575 BEEKS-AS-AP - Beeks Financial Cloud (Japan)768

AS146987#576 GMOCL-NET - GMO GlobalSign Holdings K.K.768

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