ASN Lookup Tool

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Reference: WHOIS servers of RIRs
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% [whois.apnic.net]
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% Information related to 'AS153914 - AS154937'

as-block:       AS153914 - AS154937
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:  2025-04-01T05:54:59Z
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 'AS154486'

% Abuse contact for 'AS154486' is 'rei.mimura@lessismore.asia'

aut-num:        AS154486
as-name:        LESSISMORE-AS-AP
descr:          REI MIMURA
descr:          2-20-9-501 Aobadai Meguroku Tokyo
country:        JP
org:            ORG-RM2-AP
sponsoring-org: ORG-IA124-AP
admin-c:        LA348-AP
tech-c:         LA348-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-M1CI-AP
mnt-irt:        IRT-LESSISMORE
abuse-c:        AL1910-AP
last-modified:  2026-02-10T01:44:53Z
source:         APNIC

irt:            IRT-LESSISMORE
address:        JP
e-mail:         rei.mimura@lessismore.asia
abuse-mailbox:  rei.mimura@lessismore.asia
admin-c:        MA1718-AP
tech-c:         MA1718-AP
auth:           # Filtered
mnt-by:         MAINT-MARU
last-modified:  2026-01-09T11:45:28Z
source:         APNIC

organisation:   ORG-RM2-AP
org-name:       REI MIMURA
org-type:       OTHER
address:        2-20-9-501 Aobadai Meguroku Tokyo
country:        JP
e-mail:         rei.mimura@lessismore.asia
admin-c:        LA348-AP
tech-c:         LA348-AP
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2026-01-09T11:49:24Z
source:         APNIC

role:           ABUSE LESSISMORE
country:        ZZ
address:        JP
phone:          +000000000
e-mail:         rei.mimura@lessismore.asia
admin-c:        MA1718-AP
tech-c:         MA1718-AP
nic-hdl:        AL1910-AP
remarks:        Generated from irt object IRT-LESSISMORE
abuse-mailbox:  rei.mimura@lessismore.asia
mnt-by:         APNIC-ABUSE
last-modified:  2026-02-06T04:23:21Z
source:         APNIC

role:           LESSISMORE administrator
address:
country:        JP
phone:          +81-70-4454-3706
e-mail:         rei.mimura@lessismore.asia
admin-c:        LA348-AP
tech-c:         LA348-AP
nic-hdl:        LA348-AP
mnt-by:         MAINT-MARU
last-modified:  2026-01-09T11:47:41Z
source:         APNIC

% Information related to 'AS153914 - AS154937'

as-block:       AS153914 - AS154937
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-02-16T11:40:59Z
source:         IDNIC

role:           ID-NIC ADMINISTRATORS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
remarks:        spam and abuse report : abuse@apjii.or.id
remarks:        technical and routing : support@apjii.or.id
remarks:        hostmasters : hostmaster@apjii.or.id
remarks:        ID-NIC administrators role object
admin-c:        IH1-AP
tech-c:         IH1-AP
nic-hdl:        IA55-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2019-09-18T07:24:58Z
source:         IDNIC

role:           ID-NIC HOSTMASTERS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
remarks:        spam and abuse report : abuse@apjii.or.id
remarks:        technical and routing : support@apjii.or.id
remarks:        administrative request : admin@apjii.or.id
remarks:        IDNIC hostmasters role object
admin-c:        IH1-AP
tech-c:         IH1-AP
nic-hdl:        IH123-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2024-07-10T05:48:59Z
source:         IDNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)