24287 TEIN2-JP National Institute of Informatics, JP
Adjacency: 6 Upstream: 3 Downstream: 3
Upstream Adjacent AS list
AS24490 TEIN2-SG-AP Trans-Eurasia Information Network TEIN2 - SG, CN
AS7660 APAN-JP Asia Pacific Advanced Network - Japan, JP
AS2907 SINET-AS Research Organization of Information and Systems, National Institute of Informatics, JP
Downstream Adjacent AS list
AS7660 APAN-JP Asia Pacific Advanced Network - Japan, JP
AS24490 TEIN2-SG-AP Trans-Eurasia Information Network TEIN2 - SG, CN
AS24489 TEIN2-NORTH-AP Trans-Eurasia Information Network TEIN2 - North, CN
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 59983 AS24287 ORG+TRN Originate: 256 /24.00 Transit: 4352 /19.91 TEIN2-JP National Institute of Informatics, 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 % 37228 AS24287 TEIN2-JP National Institute of Informatics, J 1 0 0 1 0 0.00% Prefix AS Path Aggregation Suggestion 192.50.12.0/24 4777 2907 24287
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS24287 1 More Specifics 1 Total Advertisements TEIN2-JP National Institute of Informatics, JP
192.50.12.0/24 192.50.0.0/16
whois: 402332
IANA has recorded AS24287 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS24287\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 'AS24248 - AS24297'
as-block: AS24248 - AS24297
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 'AS24287'
% Abuse contact for 'AS24287' is 'hostmaster@nic.ad.jp'
aut-num: AS24287
as-name: tein2-jp
descr: Research Organization of Information and Systems, National Institute of Informatics
descr: 2-1-2 Hitotsubashi, Chiyoda-ku, Tokyo 101-8430
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Email address for spam or abuse complaints : ipnoc@sinet.ad.jp
country: JP
mnt-by: MAINT-JPNIC
mnt-lower: MAINT-JPNIC
mnt-irt: IRT-JPNIC-JP
last-modified: 2024-08-14T01:45:09Z
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 'AS24287'
aut-num: AS24287
as-name: TEIN2-JP
descr: National Institute of Informatics
import: from AS2907 100 accept ANY
import: from AS7660 100 accept ANY
import: from AS18125 100 accept ANY
export: to AS2907 announce AS24287
export: to AS7660 announce AS24287
export: to AS18125 announce AS24287
country: JP
admin-c: JP00006158
tech-c: JP00006158
last-modified: 2007-06-22T01:05:11Z
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 1.88.47 (WHOIS-AU4)