133405 RETNKK-AS-AP - RETN Co., Ltd., JP
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS9002 RETN-AS - RETN Limited, GB
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 66475 AS133405 ORIGIN Originate: 256 /24.00 Transit: 0 /0.00 RETNKK-AS-AP - RETN 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 % 53027 AS133405 RETNKK-AS-AP - RETN Co., Ltd., JP 1 0 0 1 0 0.00% Prefix AS Path Aggregation Suggestion 163.128.219.0/24 4608 7575 9002 133405
whois: 402565
IANA has recorded AS133405 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS133405\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS133120 - AS133631'
as-block: AS133120 - AS133631
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: 2013-09-11T23:52:15Z
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 'AS133405'
% Abuse contact for 'AS133405' is 'abuse@retn.net'
aut-num: AS133405
as-name: RETNKK-AS-AP
descr: RETN Co., Ltd.
country: JP
org: ORG-RKK1-AP
admin-c: RKKA1-AP
tech-c: RKKA1-AP
mnt-by: APNIC-HM
mnt-irt: IRT-RETNKK-JP
mnt-routes: MAINT-RETNKK-JP
mnt-lower: MAINT-RETNKK-JP
abuse-c: AR1534-AP
last-modified: 2026-04-14T09:15:43Z
source: APNIC
irt: IRT-RETNKK-JP
address: 6-2-31-1917 Toyosu, Koto-ku, Tokyo, 135-0061, Japan, Tokyo Koto-ku 135-0061
e-mail: peering@retn.net
abuse-mailbox: abuse@retn.net
admin-c: RKKA1-AP
tech-c: RKKA1-AP
auth: # Filtered
remarks: abuse@retn.net was validated on 2026-02-17
mnt-by: MAINT-RETNKK-JP
last-modified: 2026-04-14T09:31:23Z
source: APNIC
organisation: ORG-RKK1-AP
org-name: RETN Co., Ltd.
org-type: LIR
country: JP
address: 6-2-31-1917 Toyosu
address: Koto-ku, Tokyo, 135-0061, Japan
phone: +85238454700
e-mail: peering@retn.net
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2026-03-13T13:24:44Z
source: APNIC
role: ABUSE RETNKKJP
country: ZZ
address: 6-2-31-1917 Toyosu, Koto-ku, Tokyo, 135-0061, Japan, Tokyo Koto-ku 135-0061
phone: +000000000
e-mail: peering@retn.net
admin-c: RKKA1-AP
tech-c: RKKA1-AP
nic-hdl: AR1534-AP
remarks: Generated from irt object IRT-RETNKK-JP
remarks: abuse@retn.net was validated on 2026-02-17
abuse-mailbox: abuse@retn.net
mnt-by: APNIC-ABUSE
last-modified: 2026-04-14T01:45:16Z
source: APNIC
role: RETN K K administrator
address: 6-2-31-1917 Toyosu, Koto-ku, Tokyo, 135-0061, Japan, Tokyo Koto-ku 135-0061
country: JP
phone: +85238454700
e-mail: peering@retn.net
admin-c: RKKA1-AP
tech-c: RKKA1-AP
nic-hdl: RKKA1-AP
mnt-by: MAINT-RETNKK-JP
last-modified: 2026-04-13T01:47:49Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)