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AS10019
AS10019 Matsusaka Cable-TV Station Inc.
MCTV - Matsusaka Cable-TV Station Inc. · registered in Japan
IPv4 addresses 47,104 11 prefixes · 0.002% of announced IPv4
Rank in Japan #180 largest network in JP by IPv4 space, of 724 · 0.03% of JP
Rank worldwide #4,030 of 79,396 networks with IPv4
IPv6 1 x /32 (65,536 x /48) 1 prefixes
Country Japan 745 ASNs registered there
IPv4 prefixes
All 11 prefixes, in address order.
61.115.240.0/20 61.122.208.0/20 103.26.152.0/22 175.28.16.0/20 194.193.96.0/19 202.91.144.0/20 211.125.144.0/20 218.45.32.0/20 218.185.160.0/19 219.100.20.0/22 219.105.176.0/20
IPv6 prefixes
All 1 prefix.
Similar-sized networks in Japan
ASN Name IPv4 addresses
AS4677 #177 PTOP - Marubeni OKI Network Solutions Inc.48,640
AS17675 #178 AS-PNAPTOK - PacketFabric (Japan) Co., Ltd.47,616
AS4680 #179 MIND - Mitsubishi Electric Information Network Corporation47,104
AS18278 #181 CC9N - Cable TV Corporation47,104
AS18282 #182 CORALNET - Tonami System Solutions Co., Ltd.46,336
AS4693 #183 CSK - CSK-IT MANAGEMENT CORPORATION45,056
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