AS7667 KDDI Research, Inc.

KDDLAB - KDDI Research, Inc. · registered in Japan

IPv4 addresses1,2802 prefixes · <0.001% of announced IPv4

Rank in Japan#507largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#28,013of 79,396 networks with IPv4

IPv6321 x /483 prefixes

CountryJapan745 ASNs registered there

Open AS7667 in ASN lookup Look up an IP in this network (192.26.91.1) All networks in Japan

IPv4 prefixes

All 2 prefixes, in address order.

192.26.91.0/24
202.255.44.0/22

IPv6 prefixes

All 3 prefixes.

2001:200:600::/40
2001:de1::/42
2001:df0:95::/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