2523 ITRC-NET Internet Technology Research Consortium, JP
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS2907 SINET-AS Research Organization of Information and Systems, National Institute of Informatics, JP
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 2878 AS2523 ORIGIN Originate: 73728 /15.83 Transit: 0 /0.00 ITRC-NET Internet Technology Research Consortium, 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 % 15134 AS2523 ITRC-NET Internet Technology Research Consort 3 2 0 1 2 66.67% Prefix AS Path Aggregation Suggestion 133.69.0.0/16 4777 2907 2523 133.69.0.0/20 4777 2907 2523 - Withdrawn - matching aggregate 133.69.0.0/16 4777 2907 2523 133.69.192.0/20 4777 2907 2523 - Withdrawn - matching aggregate 133.69.0.0/16 4777 2907 2523
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS2523 3 More Specifics 3 Total Advertisements ITRC-NET Internet Technology Research Consortium, JP
133.69.0.0/16 133.0.0.0/8
133.69.0.0/20 133.0.0.0/8
133.69.192.0/20 133.0.0.0/8
whois: 402332
IANA has recorded AS2523 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS2523\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS2497 - AS2528'
as-block: AS2497 - AS2528
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: 2017-06-12T03:54:29Z
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 'AS2523'
% Abuse contact for 'AS2523' is 'hostmaster@nic.ad.jp'
aut-num: AS2523
as-name: SHIN-ITRC-NET
descr: Internet Technology Research Consortium
descr: c/o Prof. Yasuo Okabe, Academic Center for Computing and Media Studies, Kyoto University, Yoshida-Honmachi, Sakyo, Kyoto
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Email address for spam or abuse complaints : noc@mail.itrc.net
country: JP
mnt-by: MAINT-JPNIC
mnt-lower: MAINT-JPNIC
mnt-irt: IRT-JPNIC-JP
last-modified: 2024-10-15T07:08:42Z
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 'AS2523'
aut-num: AS2523
as-name: ITRC-NET
descr: Internet Technology Research Consortium
import:
export:
country: JP
admin-c: YO7514JP
tech-c: KO3068JP
tech-c: MO19130JP
last-modified: 2023-05-12T20:01:07Z
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 1.88.48 (WHOIS-AU5)