AS135372 Columbia Sportswear Japan Inc

CSJI-AS-AP - Columbia Sportswear Japan Inc · registered in Japan

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Japan#711largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#70,332of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS135372 in ASN lookup Look up an IP in this network (203.142.10.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

203.142.10.0/24

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AS140501#713 ITIVITI-AS-AP - Itiviti Japan K.K.256

AS141694#714 ERMISLTD-AS-AP - Ermis Ltd.256

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