AS Name
BTV
Org Name
BTV Cable Television CO.,LTD.
Registry Region
Japan
Looking Glass
IPv4Prefixes

34

IPv6Prefixes

0

IPv4 NUMs

38,912

IPv6 NUMs(/64)

0

38,912 IPv4 Addresses
CIDR Description IP Num
42.83.0.0/20 BTV BTV CO., LTD. 4096
42.83.0.0/19 BTV BTV CO., LTD. 8192
42.83.16.0/20 BTV BTV CO., LTD. 4096
42.83.24.0/21 BTV BTV CO., LTD. 2048
42.83.32.0/22 BTV BTV CO., LTD. 1024
42.83.32.0/21 BTV BTV CO., LTD. 2048
42.83.32.0/20 BTV BTV CO., LTD. 4096
42.83.36.0/22 BTV BTV CO., LTD. 1024
42.83.40.0/22 BTV BTV CO., LTD. 1024
42.83.40.0/21 BTV BTV CO., LTD. 2048
42.83.48.0/21 BTV BTV CO., LTD. 2048
42.83.48.0/20 BTV BTV CO., LTD. 4096
42.83.56.0/22 BTV BTV CO., LTD. 1024
103.205.48.0/22 BTV BTV CO., LTD. 1024
153.124.224.0/21 BTV BTV CO., LTD. 2048
163.131.104.0/22 JAPAN163 country: JP Japan Network Information Center 1024
163.131.108.0/22 JAPAN163 country: JP Japan Network Information Center 1024
182.23.216.0/21 BTV BTV CO., LTD. 2048
203.211.32.0/20 BTV BTV CO., LTD. 4096
203.211.40.0/21 BTV BTV CO., LTD. 2048
203.211.43.0/24 BTV BTV CO., LTD. 256
203.211.44.0/24 BTV BTV CO., LTD. 256
203.211.45.0/24 BTV BTV CO., LTD. 256
203.211.46.0/24 BTV BTV CO., LTD. 256
203.211.47.0/24 BTV BTV CO., LTD. 256
203.211.48.0/23 BTV BTV CO., LTD. 512
203.211.48.0/21 BTV BTV CO., LTD. 2048
203.211.50.0/23 BTV BTV CO., LTD. 512
203.211.52.0/23 BTV BTV CO., LTD. 512
203.211.54.0/23 BTV BTV CO., LTD. 512
219.100.88.0/22 JPNIC-NET-JP Japan Network Information Center 1024
219.103.0.0/20 JPNIC-NET-JP Japan Network Information Center 4096
219.103.0.0/19 JPNIC-NET-JP Japan Network Information Center 8192
219.103.16.0/20 JPNIC-NET-JP Japan Network Information Center 4096
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2516 KDDI - KDDI CORPORATION, JP Japan 18,369,024 2,757,369,069,568 IPv4 IPv4
AS9009 M247 - M247 Ltd, GB United Kingdom 1,160,960 352,285,884,672 IPv4 IPv4
AS38001 NEWMEDIAEXPRESS-AS-AP - NewMedia Express Pte Ltd, SG Singapore 24,064 7,733,248 IPv4 IPv4
AS38195 SUPERLOOP-AS-AP - SUPERLOOP (AUSTRALIA) PTY LTD, AU Australia 128,512 77,309,411,328 IPv4 IPv4
AS2497 IIJ - Internet Initiative Japan Inc., JP Japan 3,798,016 17,716,871,168 IPv4 IPv4
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,155,328 17,180,655,616 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 23,040 4,294,967,296 IPv4 IPv4
AS35280 ACORUS - ACORUS NETWORKS SAS, FR France 7,424 81,604,378,624 IPv4 IPv4
AS2519 VECTANT - ARTERIA Networks Corporation, JP Japan 1,717,248 103,079,215,104 IPv4 IPv4
AS36236 NETACTUATE - NetActuate, Inc, US United States 59,136 14,526,251,008 IPv4 IPv4
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 13,312 17,179,869,184 IPv4 IPv4
AS4713 OCN - NTT Communications Corporation, JP Japan 28,973,312 4,406,636,511,232 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 503,040 282,665,489,268,736 IPv4 IPv4
AS9505 TWGATE-AP - Chunghwa Telecom Co., Ltd., TW Taiwan 22,528 8,589,934,592 IPv4 IPv4
AS20485 TRANSTELECOM - Joint Stock Company TransTeleCom, RU Russian Federation 355,584 42,949,672,960 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
Japan BBIX Tokyo - BroadBand Internet eXchange Tokyo 218.100.6.103 10 Gbps 2018-11-15 12:47:34
Japan JPIX TOKYO - Japan Internet Exchange Tokyo 210.171.224.154 10 Gbps 2016-05-30 02:03:38
Japan JPIX OSAKA - Japan Internet Exchange Osaka 103.246.232.154 20 Gbps 2019-08-01 05:34:04

Private Peering Facilities

Country/Region Name City Website Updated
ComSpace I Tokyo https://www.arteria-net.com/en/business/service/datacenter/ 2016-03-14 21:27:52
NTT DATA Dojima (building #4) Osaka http://www.nttdata.com/ 2018-01-10 00:43:08
as-block:       AS17653 - AS18431
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2019-01-08T23:19:07Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         [email protected]
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         [email protected]
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC


as-block:       AS18121 - AS18152
descr:          JPNIC-2Byte-ASBLOCK-AP
descr:          for assignment to JPNIC members
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Authoritative information regarding AS Number
remarks:        assignments made from within this block can be
remarks:        queried at whois.nic.ad.jp.
remarks:        To only display English output,
remarks:        add '/e' at the end of command,
remarks:        e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by:         APNIC-HM
mnt-lower:      MAINT-JPNIC
last-modified:  2017-06-12T03:54:32Z
source:         APNIC

role:           Japan Network Information Center
address:        Urbannet-Kanda Bldg 4F
address:        3-6-2 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047,Japan
country:        JP
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         [email protected]
admin-c:        JI13-AP
tech-c:         JE53-AP
nic-hdl:        JNIC1-AP
mnt-by:         MAINT-JPNIC
last-modified:  2012-08-28T07:58:02Z
source:         APNIC


aut-num:        AS18135
as-name:        BTV
descr:          BTV Cable Television CO.,LTD.
import:
export:
country:        JP
admin-c:        TE7166JP
tech-c:         TI11581JP
last-modified:  2015-11-24T20:32:21Z
source:         JPNIC