AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
CTK Cable Television Kani Co.,Inc. 4 0 14,336 0 Japan
14,336 IPv4 Addresses
CIDR Description IP Num
203.104.112.0/20 CTK Cable Television Kani Co.,Inc. 4096
203.110.224.0/21 CTK Cable Television Kani Co.,Inc. 2048
218.40.240.0/20 JPNIC-NET-JP Japan Network Information Center 4096
218.228.80.0/20 JPNIC-NET-JP Japan Network Information Center 4096
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS9354 TDNC - Community Network Center Inc., JP Japan 193,024 4,294,967,296 IPv4 IPv4
IP Address Domain NUMs Domains
218.40.240.7 1 mypage.ctk.ne.jp
218.40.240.9 3 www.ctk.ne.jp
218.40.240.10 1 ns.ctk.ne.jp
218.40.240.14 1 ssl.ctk.ne.jp
218.40.240.16 1 mail.ctk.ne.jp
218.40.240.19 1 ns2.ctk.ne.jp
218.40.240.32 1 rcvgw.ctk.ne.jp
218.40.240.34 1 ma.ctk.ne.jp
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:       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:        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:        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