17957 CTS SOUTH TOKYO CABLETELEVISION, JP
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS9365 ITSCOM its communications Inc., JP
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 7034 AS17957 ORIGIN Originate: 19456 /17.75 Transit: 0 /0.00 CTS SOUTH TOKYO CABLETELEVISION, JP
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 34855 AS17957 CTS SOUTH TOKYO CABLETELEVISION, JP 6 0 0 6 0 0.00% Prefix AS Path Aggregation Suggestion 49.236.232.0/21 6939 9365 17957 110.232.236.0/22 6939 9365 17957 115.165.184.0/21 6939 9365 17957 202.122.24.0/21 6939 9365 17957 210.191.128.0/19 6939 9365 17957 219.103.96.0/20 6939 9365 17957
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS17957 2 More Specifics 6 Total Advertisements CTS SOUTH TOKYO CABLETELEVISION, JP
210.191.128.0/19 210.188.0.0/14
219.103.96.0/20 219.96.0.0/11
whois: 402590
IANA has recorded AS17957 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS17957\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS17653 - AS18431'
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
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phone: +61 7 3858 3100
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e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
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notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS17930 - AS17961'
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
% Information related to 'AS17957'
% Abuse contact for 'AS17957' is 'hostmaster@nic.ad.jp'
aut-num: AS17957
as-name: STC
descr: SOUTH TOKYO CABLE TELEVISION
descr: Togosidai bldg7F
descr: 1-7-20 Togosi,Sinagawa-ku
descr: Tokyo 142-0041,Japan
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Email address for spam or abuse complaints : cts-noc@cts.ne.jp
country: JP
mnt-by: MAINT-JPNIC
mnt-lower: MAINT-JPNIC
mnt-irt: IRT-JPNIC-JP
last-modified: 2024-08-23T02:26:33Z
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 was validated on 2024-11-27
mnt-by: MAINT-JPNIC
last-modified: 2025-09-04T01:00:00Z
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
% Information related to 'AS17957'
aut-num: AS17957
as-name: CTS
descr: SOUTH TOKYO CABLETELEVISION
import: from AS4716 100 accept ANY
import: from AS2516 100 accept ANY
import: from AS17930 100 accept ANY
export: to AS4716 announce AS17957
export: to AS2516 announce AS17957
export: to AS17930 announce AS17957
country: JP
admin-c: YM7875JP
tech-c: MN5333JP
tech-c: TK11316JP
last-modified: 2005-12-20T00:58:53Z
remarks: This information has been partially mirrored by APNIC from
remarks: JPNIC. To obtain more specific information, please use the
remarks: JPNIC WHOIS Gateway at
remarks: http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks: whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks: defaults to Japanese output, use the /e switch for English
remarks: output)
source: JPNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)