AS45679 Tatsumi, Tomo

TOMOCHA-NET - Tatsumi, Tomo · registered in Japan

IPv4 addresses7682 prefixes · <0.001% of announced IPv4

Rank in Japan#568largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#43,323of 79,396 networks with IPv4

IPv62 x /482 prefixes

CountryJapan745 ASNs registered there

Open AS45679 in ASN lookup Look up an IP in this network (103.167.46.1) All networks in Japan

IPv4 prefixes

All 2 prefixes, in address order.

103.167.46.0/24
202.10.110.0/23

IPv6 prefixes

All 2 prefixes.

2001:df6:a680::/48
2401:af80:9015::/48

Similar-sized networks in Japan

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AS24263#570 HONDA-NET - HONDA MOTOR Co., Ltd.768

AS24283#571 MIEDEN-NET - Mieden Co.,Ltd.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