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AS9607 BroadBand Tower, Inc.

BBTower - BroadBand Tower, Inc. · registered in Japan

IPv4 addresses31,74417 prefixes · 0.001% of announced IPv4
Rank in Japan#208largest network in JP by IPv4 space, of 724 · 0.02% of JP
Rank worldwide#4,905of 79,396 networks with IPv4
IPv62 x /32 (131,072 x /48)22 prefixes
CountryJapan745 ASNs registered there

IPv4 prefixes

All 17 prefixes, in address order.

  • 103.96.112.0/22
  • 124.147.0.0/19
  • 202.183.80.0/21
  • 203.141.48.0/22
  • 203.141.52.0/23
  • 203.141.55.0/24
  • 203.141.56.0/21
  • 203.216.192.0/19
  • 208.111.48.0/21
  • 210.231.208.0/22
  • 211.14.0.0/21
  • 211.14.9.0/24
  • 211.14.10.0/23
  • 211.14.16.0/22
  • 211.14.24.0/23
  • 211.14.30.0/23
  • 218.231.252.0/23

IPv6 prefixes

All 22 prefixes.

  • 2001:370::/45
  • 2001:370:8::/47
  • 2001:370:a::/48
  • 2001:370:b::/48
  • 2001:370:c::/46
  • 2001:370:10::/44
  • 2001:370:20::/43
  • 2001:370:40::/42
  • 2001:370:80::/41
  • 2001:370:100::/40
  • 2001:370:200::/39
  • 2001:370:400::/38
  • 2001:370:800::/37
  • 2001:370:1000::/36
  • 2001:370:2000::/35
  • 2001:370:4000::/35
  • 2001:370:6000::/38
  • 2001:370:6400::/38
  • 2001:370:6800::/37
  • 2001:370:7000::/36
  • 2001:370:8000::/33
  • 2404:c700::/32

Other ASNs named BroadBand Tower, Inc.

1 other network uses the same organisation name; together with AS9607 they announce 33,792 IPv4 addresses.

ASNNameIPv4 addresses
AS7530BBTower-Lab - BroadBand Tower, Inc. JP2,048

Similar-sized networks in Japan

ASNNameIPv4 addresses
AS18150#205 SNI-JP - NetComBB Co.,Ltd.32,768
AS131915#206 WINDE - Hamamatsu Cable Television .Inc32,768
AS18129#207 ONI - OKAYAMA NETWORK INC.32,256
AS131916#209 BAYNET - Tokyo Bay Network Co.,Ltd.31,744
AS4675#210 U-NETSURF - UNIADEX, LTD.30,976
AS7668#211 HTCN - Hokuriku Telecommunication Network Co.29,696

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