AS24259 kanuma cable television Corporation

BC9 - kanuma cable television Corporation · registered in Japan

IPv4 addresses21,50414 prefixes · <0.001% of announced IPv4

Rank in Japan#238largest network in JP by IPv4 space, of 724 · 0.01% of JP

Rank worldwide#5,872of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryJapan745 ASNs registered there

Open AS24259 in ASN lookup Look up an IP in this network (103.2.32.1) All networks in Japan

IPv4 prefixes

All 14 prefixes, in address order.

103.2.32.0/22
103.246.68.0/22
123.255.232.0/21
124.110.192.0/21
126.52.16.0/21
133.88.79.0/24
133.88.80.0/22
133.88.84.0/23
133.88.86.0/24
157.120.120.0/22
202.80.96.0/21
202.89.240.0/21
202.127.176.0/20
203.188.208.0/21

IPv6 prefixes

All 1 prefix.

2402:b9c0::/32

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AS17691#239 TikiTiki - NDS Co., Ltd.21,504

AS131925#240 CYBERHOME2 - FAMILY NET JAPAN INCORPORATED21,248

AS134351#241 LEASEWEB-AS-AP - Leaseweb Japan K.K.21,248

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