AS Name
JCV
Org Name
Joetsu Cable Vision
Country
Japan
AS131937 Looking Glass
IPv4Prefixes

19

IPv6Prefixes

3

IPv4 NUMs

23,040

IPv6 NUMs(/64)

8,589,934,592

23,040 IPv4 Addresses
CIDR Description IP Num
103.118.92.0/23 JCV Joetsu Cable Vision Co.,Ltd. 512
103.118.92.0/22 JCV Joetsu Cable Vision Co.,Ltd. 1024
103.118.94.0/23 JCV Joetsu Cable Vision Co.,Ltd. 512
103.152.66.0/23 JMiX JMiX Co., Ltd. 512
126.251.0.0/20 IPR SoftBank Corp. 4096
126.251.0.0/19 IPR SoftBank Corp. 8192
126.251.16.0/20 IPR SoftBank Corp. 4096
126.251.32.0/22 IPR SoftBank Corp. 1024
126.251.32.0/21 IPR SoftBank Corp. 2048
126.251.36.0/22 IPR SoftBank Corp. 1024
170.249.64.0/22 JCV Joetsu Cable Vision Co.,Ltd. 1024
170.249.64.0/21 JCV Joetsu Cable Vision Co.,Ltd. 2048
170.249.68.0/22 JCV Joetsu Cable Vision Co.,Ltd. 1024
170.249.96.0/20 JCV Joetsu Cable Vision Co.,Ltd. 4096
170.249.96.0/19 JCV Joetsu Cable Vision Co.,Ltd. 8192
170.249.112.0/20 JCV Joetsu Cable Vision Co.,Ltd. 4096
202.223.12.0/23 JPNIC-NET-JP Japan Network Information Center 512
202.223.12.0/22 JPNIC-NET-JP Japan Network Information Center 1024
202.223.14.0/23 JPNIC-NET-JP Japan Network Information Center 512
CIDR Description IP NUMs(prefix /64)
2403:4040::/48 JCV-JPNIC-JP-20180718 Japan Network Information Center 65536
2403:4040::/32 JCV-JPNIC-JP-20180718 Japan Network Information Center 4294967296
2406:2b40::/32 Internet-Kyoto-JPNIC-JP-20200826 Japan Network Infomation Center 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2497 IIJ - Internet Initiative Japan Inc., JP Japan 3,797,760 17,716,871,168 IPv4 IPv4 IPv6 IPv6
AS35280 ACORUS - ACORUS NETWORKS SAS, FR France 7,424 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 13,568 17,179,869,184 IPv4 IPv4
AS9957 KINX-AS - KINX, KR Republic of Korea 7,192 0 IPv4 IPv4
AS38001 NEWMEDIAEXPRESS-AS-AP - NewMedia Express Pte Ltd, SG Singapore 23,808 7,733,248 IPv6 IPv6
AS25152 K-ROOT-SERVER - Reseaux IP Europeens Network Coordination Centre (RIPE NCC), NL Netherlands 512 4,294,967,296 IPv6 IPv6
AS1828 UNITAS - Unitas Global LLC, US United States 34,816 47,244,640,256 IPv4 IPv4 IPv6 IPv6
AS17676 GIGAINFRA - Softbank BB Corp., JP Japan 44,652,032 18,695,992,705,024 IPv4 IPv4 IPv6 IPv6
AS4637 ASN-TELSTRA-GLOBAL - Telstra International Limited, HK Hong Kong 525,312 17,179,934,720 IPv6 IPv6
AS7713 telkomnet-as-ap - Telekomunikasi Indonesia (PT), ID Indonesia 4,192,256 12,884,967,424 IPv6 IPv6
AS3216 SOVAM-AS - PJSC "Vimpelcom", RU Russian Federation 1,125,598 4,294,967,296 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 496,896 282,665,489,137,664 IPv4 IPv4 IPv6 IPv6
AS20485 TRANSTELECOM - Joint Stock Company TransTeleCom, RU Russian Federation 355,584 42,949,672,960 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 23,040 4,294,967,296 IPv4 IPv4 IPv6 IPv6

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
Japan BBIX Tokyo - BroadBand Internet eXchange Tokyo 218.100.7.34 2001:de8:c::13:1937:1 10 Gbps 2018-11-15 12:47:36
Japan JPNAP Tokyo - JPNAP Tokyo 210.173.176.117 2001:7fa:7:1:0:13:1937:1 10 Gbps 2018-09-25 20:55:18
Japan BBIX Osaka - BroadBand Internet eXchange Osaka 218.100.9.54 2001:de8:c:2:0:13:1937:1 10 Gbps 2018-09-25 20:57:28

Private Peering Facilities

Country/Region Name City Website Updated
IP Address Domain NUMs Domains
103.118.93.2 1 vpn.juen.ac.jp
103.118.93.11 1 okamidake.yuuland.jp
103.118.93.177 3 naosei.co.jp
103.118.93.178 1 ironport.naosei.co.jp
as-block:       AS131072 - AS132095
descr:          APNIC 32-bit 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:  2009-09-29T05:34:08Z
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:       AS131905 - AS131992
descr:          JPNIC-4Byte-ASBLOCK-AP
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        for assignment to JPNIC members
remarks:        Authoritative information regarding AS Number
remarks:        assignments made from within this block can also be
remarks:        queried at whois.nic.ad.jp
mnt-by:         MAINT-JPNIC
mnt-lower:      MAINT-JPNIC
last-modified:  2016-01-27T00:24:03Z
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:  2021-06-15T05:14:02Z
source:         APNIC


aut-num:        AS131937
as-name:        JCV
descr:          Joetsu Cable Vision
import:         from AS23640 100 accept ANY
import:         from AS17676 100 accept ANY
export:         to AS23640 announce AS131937
export:         to AS17676 announce AS131937
country:        JP
admin-c:        JP00164408
tech-c:         JP00164408
last-modified:  2018-07-25T22:59:26Z
source:         JPNIC