AS Number
AS17936
AS Name
CTK
Org Name
Cable Television Kani Co.,Ltd.
Country / Region
Japan
Registry

apnic

RegDate

Updated

2019-01-08T23:19:07Z

AS17936 Looking Glass
IPv4Prefixes

5

IPv6Prefixes

1

IPv4 NUMs

18,432

IPv6 NUMs(/64)

4,294,967,296

18,432 IPv4 Addresses
CIDR Description IP Num
125.2.208.0/20
IRR Valid
CTK Cable Television Kani Co.,Ltd. 4096
203.104.112.0/20
IRR Valid
CTK Cable Television Kani Co.,Inc. 4096
203.110.224.0/21
IRR Valid
CTK Cable Television Kani Co.,Inc. 2048
218.40.240.0/20
IRR Valid
JPNIC-NET-JP Japan Network Information Center 4096
218.228.80.0/20
IRR Valid
JPNIC-NET-JP Japan Network Information Center 4096
CIDR Description IP NUMs(prefix /64)
2406:9900::/32
IRR Valid
CTK-JPNIC-JP-20130402 Japan Network Information Center 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS9354 TDNC - Community Network Center Inc., JP Japan 180,224 4,294,967,296 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
203.104.127.59 1 natukun31.net.
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:         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:       AS17930 - AS17961
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:  2017-06-12T04:00:32Z
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:        AS17936
as-name:        CTK
descr:          Cable Television Kani Co.,Ltd.
descr:          1-5,Hiromi,Kani-shi,Gifu 509-0214,Japan
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Email address for spam or abuse complaints : nic-db@ctk.ne.jp
country:        JP
mnt-by:         MAINT-JPNIC
mnt-lower:      MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
last-modified:  2024-08-22T23:29:21Z
source:         APNIC

irt:            IRT-JPNIC-JP
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, japan
e-mail:         hostmaster@nic.ad.jp
abuse-mailbox:  hostmaster@nic.ad.jp
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
auth:           # Filtered
remarks:        hostmaster@nic.ad.jp is invalid
mnt-by:         MAINT-JPNIC
last-modified:  2024-09-28T21:13:03Z
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:        AS17936
as-name:        CTK
descr:          Cable  Television  Kani Co.,Inc.
import:         from AS4713 100 accept ANY
import:         from AS7518 100 accept ANY
import:         from AS9370 100 accept ANY
import:         from AS9371 100 accept ANY
export:         to AS4713 announce AS17936
export:         to AS7518 announce AS17936
export:         to AS9370 announce AS17936
export:         to AS9371 announce AS17936
country:        JP
admin-c:        JP00013171
tech-c:         JP00013171
last-modified:  2006-02-21T00:05:04Z
source:         JPNIC