AS Number
AS131937
AS Name
JCV
Org Name
Joetsu Cable Vision
Country / Region
Japan
Registry

apnic

RegDate

Updated

2009-09-29T05:34:08Z

AS131937 Looking Glass
IPv4Prefixes

23

IPv6Prefixes

5

IPv4 NUMs

24,832

IPv6 NUMs(/64)

8,589,934,592

24,832 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
103.118.93.0/24
JCV Joetsu Cable Vision Co.,Ltd. 256
103.118.94.0/23
JCV Joetsu Cable Vision Co.,Ltd. 512
103.152.66.0/24
JMiX JMiX Co., Ltd. 256
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
126.251.112.0/22
IPR SoftBank Corp. 1024
126.251.112.0/21
IPR SoftBank Corp. 2048
126.251.116.0/22
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
2403:4040:1::/48
JCV-JPNIC-JP-20180718 Japan Network Information Center 65536
2403:4040:2::/48
JCV-JPNIC-JP-20180718 Japan Network Information Center 65536
2406:2b40::/32
Internet-Kyoto-JPNIC-JP-20200826 Japan Network Infomation Center 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS64289 MACARNE - Macarne LLC, US United States 8,192 1,078,460,416 IPv4 IPv4
AS25152 K-ROOT-SERVER - Reseaux IP Europeens Network Coordination Centre (RIPE NCC), NL Netherlands 512 4,294,967,296 IPv6 IPv6
AS2500 WIDE-BB - WIDE Project, JP Japan 65,536 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS9370 SAKURA-B - SAKURA Internet Inc., JP Japan 340,992 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 21,504 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS9002 RETN-AS - RETN Limited, GB United Kingdom 27,392 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS9371 SAKURA-C - SAKURA Internet Inc., JP Japan 305,920 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 94,464 354,874,032,128 IPv4 IPv4
AS2497 IIJ - Internet Initiative Japan Inc., JP Japan 3,796,480 17,716,871,168 IPv4 IPv4 IPv6 IPv6
AS59105 HOMENOC - Home NOC Operators Group, JP Japan 2,048 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 51,968 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 550,912 282,631,682,457,600 IPv4 IPv4 IPv6 IPv6
AS9304 HUTCHISON-AS-AP - HGC Global Communications Limited, HK Hong Kong 1,532,160 12,886,081,536 IPv4 IPv4
AS17676 ULTINA - SoftBank Mobile Corp., JP Japan 40,562,944 18,695,992,639,488 IPv4 IPv4 IPv6 IPv6

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
Japan BBIX Osaka - BroadBand Internet eXchange Osaka 218.100.9.54 2001:de8:c:2:0:13:1937:1 40 Gbps 2022-09-29 05:13:04
Japan JPNAP Tokyo - JPNAP Tokyo 210.173.176.117 2001:7fa:7:1:0:13:1937:1 40 Gbps 2022-12-05 08:13:19
Japan BBIX Tokyo - BroadBand Internet eXchange Tokyo 101.203.89.34 2001:de8:c::13:1937:1 40 Gbps 2022-09-29 05:13:04

Private Peering Facilities

Country / Region Name City Website Updated
IP Address Domain NUMs Domains
103.118.92.125 1 nishimana2002.synology.me
103.118.93.2 1 vpn.juen.ac.jp
103.118.93.11 1 okamidake.yuuland.jp
103.118.93.14 1 sv01.kubota-con.co.jp
103.118.93.163 1 azalea.ac.city.myoko.niigata.jp
103.118.93.177 2 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:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
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:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
country:        JP
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         hostmaster@nic.ad.jp
admin-c:        JI13-AP
tech-c:         JE53-AP
nic-hdl:        JNIC1-AP
mnt-by:         MAINT-JPNIC
last-modified:  2022-01-05T03:04:02Z
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