AS18135 BTV CO.,LTD.

BTV - BTV CO.,LTD. · registered in Japan

IPv4 addresses38,9129 prefixes · 0.001% of announced IPv4

Rank in Japan#194largest network in JP by IPv4 space, of 724 · 0.02% of JP

Rank worldwide#4,372of 79,396 networks with IPv4

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

CountryJapan745 ASNs registered there

Open AS18135 in ASN lookup Look up an IP in this network (42.83.0.1) All networks in Japan

IPv4 prefixes

All 9 prefixes, in address order.

42.83.0.0/18
103.205.48.0/22
153.124.224.0/21
163.131.104.0/21
182.23.216.0/21
203.211.32.0/20
203.211.48.0/21
219.100.88.0/22
219.103.0.0/19

IPv6 prefixes

All 1 prefix.

2401:d500::/32

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ASNNameIPv4 addresses

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AS10001#195 MICSNET - Mics Network Corporation36,864

AS3258#196 XTOM-JAPAN xTom Japan Corporation36,352

AS7682#197 HOTNET - HOKKAIDO TELECOMMUNICATIONS NETWORK Co., Inc.35,840

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