ASN Lookup Tool

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Reference: WHOIS servers of RIRs
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% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS138554 - AS139577'

as-block:       AS138554 - AS139577
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:  2017-12-08T06:45:58Z
source:         APNIC

role:           APNIC Hostmaster
address:        PO Box 3646
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:  2026-08-26T00:40:00Z
source:         APNIC

% Information related to 'AS139472'

% Abuse contact for 'AS139472' is 'cmctokyoinfra@catalinamarketing.co.jp'

aut-num:        AS139472
as-name:        CMJK-AS-AP
descr:          Catalina Marketing Japan K.K.
country:        JP
org:            ORG-CMJK1-AP
admin-c:        CMJK1-AP
tech-c:         CMJK1-AP
abuse-c:        AC2737-AP
mnt-lower:      MAINT-CMJK-JP
mnt-routes:     MAINT-CMJK-JP
mnt-by:         APNIC-HM
mnt-irt:        IRT-CMJK-JP
last-modified:  2023-09-05T01:32:08Z
source:         APNIC

irt:            IRT-CMJK-JP
address:        Toranomon, 2-2-1, Minato-ku Tokyo 105-0001
e-mail:         cmctokyoinfra@catalinamarketing.co.jp
abuse-mailbox:  cmctokyoinfra@catalinamarketing.co.jp
admin-c:        CMJK1-AP
tech-c:         CMJK1-AP
auth:           # Filtered
remarks:        cmctokyoinfra@catalinamarketing.co.jp was validated on 2026-04-21
mnt-by:         MAINT-CMJK-JP
last-modified:  2026-04-21T14:00:50Z
source:         APNIC

organisation:   ORG-CMJK1-AP
org-name:       Catalina Marketing Japan K.K.
org-type:       LIR
country:        JP
address:        Toranomon
address:        2-2-1
phone:          +81-3-6748-3400
e-mail:         cmctokyoinfra@catalinamarketing.co.jp
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-05-03T13:08:12Z
source:         APNIC

role:           ABUSE CMJKJP
country:        ZZ
address:        Toranomon, 2-2-1, Minato-ku Tokyo 105-0001
phone:          +000000000
e-mail:         cmctokyoinfra@catalinamarketing.co.jp
admin-c:        CMJK1-AP
tech-c:         CMJK1-AP
nic-hdl:        AC2737-AP
remarks:        Generated from irt object IRT-CMJK-JP
remarks:        cmctokyoinfra@catalinamarketing.co.jp was validated on 2026-04-21
abuse-mailbox:  cmctokyoinfra@catalinamarketing.co.jp
mnt-by:         APNIC-ABUSE
last-modified:  2026-04-21T14:01:34Z
source:         APNIC

role:           Catalina Marketing Japan KK administrator
address:        Toranomon, 2-2-1, Minato-ku Tokyo 105-0001
country:        JP
phone:          +81-3-6748-3400
e-mail:         CMCTokyoInfra@catalinamarketing.co.jp
admin-c:        CMJK1-AP
tech-c:         CMJK1-AP
nic-hdl:        CMJK1-AP
mnt-by:         MAINT-CMJK-JP
last-modified:  2024-12-10T18:34:48Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)