23783 CNA Cable Networks Akita Co.,ltd., JP
Adjacency: 4 Upstream: 2 Downstream: 2
Upstream Adjacent AS list
AS2497 IIJ Internet Initiative Japan Inc., JP
AS4777 APNIC-COLO Asia Pacific Network Information Centre, JP
Downstream Adjacent AS list
AS18266 ATNAP Cable Networks Akita Co.,ltd., JP
AS131953 YUTOPIA-NET NPO Yutopianet, JP
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4189 AS23783 ORG+TRN Originate: 55040 /16.25 Transit: 13312 /18.30 CNA Cable Networks Akita Co.,ltd., 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 % 12532 AS23783 CNA Cable Networks Akita Co.,ltd., JP 19 4 1 16 3 15.79% Prefix AS Path Aggregation Suggestion 27.110.96.0/20 4777 23783 27.110.112.0/21 4777 23783 61.11.128.0/18 4777 23783 + Announce - aggregate of 61.11.128.0/19 (4777 23783) and 61.11.160.0/19 (4777 23783) 61.11.128.0/19 4777 23783 - Withdrawn - aggregated with 61.11.160.0/19 (4777 23783) 61.11.160.0/20 4777 23783 - Withdrawn - aggregated with 61.11.176.0/20 (4777 23783) 61.11.176.0/20 4777 23783 - Withdrawn - aggregated with 61.11.160.0/20 (4777 23783) 61.11.192.0/20 4777 23783 103.54.204.0/22 4777 23783 193.116.32.0/19 4777 23783 193.116.32.0/20 4777 23783 - Withdrawn - matching aggregate 193.116.32.0/19 4777 23783 202.236.116.0/24 4777 23783 202.240.66.0/23 4777 23783 203.179.244.0/23 4777 23783 203.179.248.0/23 4777 23783 203.179.252.0/22 4777 23783 210.143.122.0/23 4777 23783 218.185.128.0/19 4777 23783 219.124.98.0/23 4777 23783 219.124.100.0/22 4777 23783 219.124.104.0/21 4777 23783
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS23783 10 More Specifics 19 Total Advertisements CNA Cable Networks Akita Co.,ltd., JP
193.116.32.0/20 193.116.32.0/19
202.236.116.0/24 202.236.0.0/14
202.240.66.0/23 202.240.0.0/12
203.179.244.0/23 203.178.0.0/15
203.179.248.0/23 203.178.0.0/15
203.179.252.0/22 203.178.0.0/15
210.143.122.0/23 210.136.0.0/13
219.124.98.0/23 219.96.0.0/11
219.124.100.0/22 219.96.0.0/11
219.124.104.0/21 219.96.0.0/11
whois: 402332
IANA has recorded AS23783 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS23783\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS23552 - AS24575'
as-block: AS23552 - AS24575
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
remarks: AS23889 has been transfered to AfriNIC
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-09-29T06:04:16Z
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
% Information related to 'AS23773 - AS23836'
as-block: AS23773 - AS23836
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. 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: 2009-11-19T01:11:45Z
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 'AS23783'
% Abuse contact for 'AS23783' is 'hostmaster@nic.ad.jp'
aut-num: AS23783
as-name: CNA
descr: Cable Networks Akita Co.,Ltd.
descr: 1-1-3,Yabase-Minami,Akita-City,Akita 010-0976 Japan
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Email address for spam or abuse complaints : abuse@cna.ne.jp
country: JP
mnt-by: MAINT-JPNIC
mnt-lower: MAINT-JPNIC
mnt-irt: IRT-JPNIC-JP
last-modified: 2025-07-14T01:22:03Z
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 'AS23783'
aut-num: AS23783
as-name: CNA
descr: Cable Networks Akita Co.,ltd.
import: from AS4713 100 accept ANY
import: from AS4725 100 accept ANY
export: to AS4713 announce AS23783
export: to AS4725 announce AS23783
country: JP
admin-c: JP00129211
tech-c: JP00129211
last-modified: 2026-01-28T06:50:07Z
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 1.88.36-SNAPSHOT (WHOIS-AU5)