AS152184 Tamukai Network

TAMUKAINET-AS-AP - Tamukai Network · registered in Japan

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Japan#646largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#60,142of 79,396 networks with IPv4

IPv6264 x /485 prefixes

CountryJapan745 ASNs registered there

Open AS152184 in ASN lookup Look up an IP in this network (140.235.121.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

140.235.121.0/24

IPv6 prefixes

All 5 prefixes.

2401:3fa0:110::/48
2401:3fa0:117::/48
2401:3fa0:11a::/47
2401:3fa0:11c::/46
2a06:41:4000::/40

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ASNNameIPv4 addresses

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AS4690#647 WIDE-SFO - WIDE Project256

AS131951#648 SSC - Suzuyo Shinwart Corporation256

AS146986#649 SSC-3 - SUZUYO SHINWART CORPORATION256

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