ASNs in Japan

847 Autonomous Systems are registered in Japan, ordered by the IPv4 space our directory attributes to each. Page 3 of 9.

Networks 201-300 by IPv4 Space

The badge is how many IPv4 /24 blocks our directory attributes to each network. For the prefixes an AS is announcing right now, open its page.

AS10001Mics Network Corporation
catvmics.ne.jp
144
AS7682HOKKAIDO TELECOMMUNICATIONS NETWORK Co., Inc.
hotnet.co.jp
140
AS38462Osaki Computer Engineering Co.Ltd
oce.ne.jp
138
AS23624Chukai Television Co,.Ltd.
chukai.co.jp
136
AS15412Flag Telecom UK Limited
flagtel.com
132
AS3258xTom Japan Corporation
xtom.com
130
AS17955Densan Co., Ltd.
ndensan.co.jp
130
AS131937Joetsu Cable Vision
jcv.co.jp
130
AS58793FUJITSU LIMITED
global.fujitsu
129
AS59121Asahi Kasei Networks Corporation
odn.ad.jp
129
AS9357NRI SecureTechnologies, Ltd.
nri-secure.co.jp
128
AS18150NetComBB Co.,Ltd.
sni.ne.jp
128
AS131915Hamamatsu Cable Television .Inc
winde.jp
128
AS208525Airu Limited
airulimited.com
128
AS18129OKAYAMA NETWORK INC.
oninet.ne.jp
126
AS9607BroadBand Tower, Inc.
bbtower.co.jp
124
AS4675UNIADEX, LTD.
uniadex.co.jp
121
AS131916Tokyo Bay Network Co.,Ltd.
baynet.ne.jp
120
AS7668Hokuriku Telecommunication Network Co.
htnet.co.jp
116
AS18134JCOM Co., Ltd.
jcom.co.jp
116
AS10002IGAUENO CABLE TELEVISION CO.,LTD
ict.jp
112
AS55386FUJITSU LIMITED
fujitsu.com
111
AS23629Obihiro City Cable Co.,Ltd.
octv.jp
110
AS9601Niigata Communication Service
bb-niigata.jp
108
AS18283Chupicom Inc.
chupicom.jp
108
AS24255Koshinomiyako Network, Inc.
koshinomiyako.jp
108
AS202736WISDOM CLOUD INTERNET TECHNOLOGY PTE. LTD.
wisdomisp.com
106
AS18274Utsunomiya Cable TV Corporation
ucatv.co.jp
104
AS24249JWAY co., Ltd.
jway.jp
104
AS55394GREE, Inc.
gree.co.jp
104
AS10004Phoenix Communications Inc.
phoenix-c.or.jp
103
AS131958Tama Cable Network Co.,Ltd.
t-net.ne.jp
102
AS2915BBIX, Inc.
bbix.net
100
AS24296LY Corporation
yahoo.co.jp
100
AS23661CLARA, Inc.
clara.co.jp
97
AS17950SaiNet
sainet.or.jp
96
AS23788JCOM Co., Ltd.
jcom.co.jp
96
AS59092kronos.Co.,Ltd.
kronoz.co.jp
96
AS20134Mediatti Broadband Communications, LLC
mbcokinawa.net
95
AS4723Dolphin
dolphinsoft.com
93
AS17682296 BROAD NET Com Inc
catv296.co.jp
92
AS51847Nearoute Limited
nearoute.io
91
AS137535JT TELECOM INTERNATIONAL PTE.LTD.
jtti.cc
89
AS18121Ishikawa Computer Center Co.,LTD.
incl.ne.jp
88
AS23778IMIZU CABLE NETWORK CO.,LTD.
canet.ne.jp
88
AS23786San-in Cable Vision CO.,LTD
mable.jp
88
AS131923MCAT Ltd.
mcat.co.jp
88
AS18094Tokyo Cable Network.,INC
tcn-catv.co.jp
86
AS7505Fujitsu Systems Applications & Support Limited
7-dj.com
84
AS17691NDS Co., Ltd.
nds-g.co.jp
84
AS17958Kasaoka Cable Vision Co,LTD.
yumenet.jp
84
AS24259kanuma cable television Corporation
bc9.ne.jp
84
AS131925FAMILY NET JAPAN INCORPORATED
fnj.co.jp
83
AS132827GATEWAY INC
gateway.com
83
AS23777NTT BUSINESS SOLUTIONS CORPORATION
nttbizsol.jp
82
AS134351Leaseweb Japan K.K.
leaseweb.com
82
AS10012Rakuten Mobile, Inc.
rakuten.co.jp
80
AS17931Netforest,Inc.
netforest.ad.jp
80
AS18267Doshisha University
doshisha.ac.jp
80
AS18281Tokoname New-TV Corporation
sakura.ad.jp
80
AS24276JCOM Co., Ltd.
jcom.co.jp
80
AS24278USEN CORPORATION
usen.com
80
AS2512TCP Inc.
tcpi.com
79
AS9999AT TOKYO Corporation
attokyo.co.jp
79
AS18097D.C.N. Corporation
dcn.to
77
AS17516NTT COMWARE CORPORATION
ntt-f.co.jp
76
AS17957SOUTH TOKYO CABLETELEVISION
itscom.ad.jp
76
AS59109Hitachi,Ltd., Managed & Platform Services Business Division
hitachi-cloud.com
76
AS151386NHN Cloud Japan Corporation
motenasu-hosting.biz
73
AS10011advanscope inc.
catv-ads.jp
72
AS17936Cable Television Kani Co.,Inc.
ctk.ne.jp
72
AS23627UEDA CABLE VISION CO.,LTD.
ucv.co.jp
72
AS23784SQUARE ENIX CO., LTD.
square-enix.com
72
AS23790JCOM Co., Ltd.
jcom.co.jp
72
AS23831NISIOWARI CATV CORPORATION
clovertv.jp
72
AS24251Iwakuni Cable Network Corporation
icn-tv.ne.jp
72
AS24271Iruma CATV co.
ictv.jp
72
AS24277Okinawa Cable Network Inc.
nirai.ne.jp
72
AS55381CITY-CABLE SHUNAN Corporation
ccsnet.ne.jp
70
AS131952Asahikawa Cable Television Co., Ltd.
potato.ne.jp
70
AS152875MEEQ Inc.
meeq.com
66
AS7503Air Internet Service Co.,Ltd.
airnet.jp
64
AS9618catv-tokushima
stnet.ad.jp
64
AS17683Wingtechnology Communications, Inc.
wintech.ad.jp
64
AS23635CRCCMedia Co.,ltd
sakura.ad.jp
64
AS23780CTB Media Inc.
ctb.jp
64
AS55384Japan Advanced Institute of Science and Technology
jaist.ac.jp
64
AS55910Shibaura Institute of Technology
shibaura-it.ac.jp
64
AS400618Prime Security Corp.
primesecuritycorp.com
62
AS23620DMM.com LLC
dmm.com
60
AS59107Hachinohe Cable Television Co.
htv-net.ne.jp
60
AS131970Hikarinet Inc.
hikari-net.ne.jp
58
AS9604FUJI SOFT INCORPORATED
fsi.co.jp
56
AS23805Watarase Television Co.,Ltd
watv.co.jp
56
AS23808TOSHIMA CABLE NETWORK CO.,LTD
toshima.co.jp
56
AS24279SENDAI CATV CO.,LTD.
cat-v.jp
56
AS131931Aomori Cable TV Co., Ltd.
actv.ne.jp
54
AS134835Starry Network Limited
starrydns.com
54
AS7677Dai Nippon Printing Co., Ltd
dnp.co.jp
53
AS63997Tsukaeru.net, Web Hosting Company, Japan
tsukaeru.net
53

Looking for a different country? The ASN Directory lists every one we hold, with its network count.