AS10000 Nagasaki Cable Media Inc.

NCM - Nagasaki Cable Media Inc. · registered in Japan

IPv4 addresses73,72819 prefixes · 0.002% of announced IPv4

Rank in Japan#89largest network in JP by IPv4 space, of 724 · 0.05% of JP

Rank worldwide#2,335of 79,396 networks with IPv4

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

CountryJapan745 ASNs registered there

Open AS10000 in ASN lookup Look up an IP in this network (14.1.8.1) All networks in Japan

IPv4 prefixes

All 19 prefixes, in address order.

14.1.8.0/21
61.114.96.0/20
61.206.208.0/20
103.29.48.0/22
111.91.240.0/20
114.134.96.0/20
114.134.128.0/19
126.52.0.0/20
163.131.32.0/19
180.214.224.0/21
202.169.64.0/19
202.228.240.0/20
203.129.96.0/20
203.170.32.0/20
203.215.56.0/22
203.217.156.0/22
218.216.0.0/20
219.100.0.0/22
219.109.64.0/20

IPv6 prefixes

All 1 prefix.

2405:ed00::/32

Similar-sized networks in Japan

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AS2505#88 HEPNET-J - High Energy Accelerator Research Organization, KEK74,240

AS58647#90 KAGAWAU-AS - Kagawa University73,728

AS23781#91 Toyama-AN-AS - Toyama University72,704

AS17939#92 MCN-NET01 - miyazaki cabletelevision network Co.,LTD71,680

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