ASN Lookup Tool

% [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 'AS23854 - AS23944'

as-block:       AS23854 - AS23944
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:  2008-09-04T06:40:26Z
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 'AS23880'

% Abuse contact for 'AS23880' is 'rir-abuse@yahooinc.com'

aut-num:        AS23880
as-name:        Yahoo-AEA
descr:          Internet content provider
country:        SG
import:         from AS9957 accept ANY
export:         to AS3786 announce AS23880
org:            ORG-YA6-AP
admin-c:        YI12-AP
tech-c:         YI12-AP
abuse-c:        AY527-AP
notify:         network@yahoo-inc.com
mnt-lower:      MAINT-AP-YAHOO-INC
mnt-routes:     MAINT-AP-YAHOO-INC
mnt-by:         APNIC-HM
mnt-irt:        IRT-YAHOO-AP
last-modified:  2021-01-11T00:24:36Z
source:         APNIC

irt:            IRT-YAHOO-AP
address:        701 First Avenue
address:        Sunnyvale, CA 94089
e-mail:         rir-admin@yahooinc.com
abuse-mailbox:  rir-abuse@yahooinc.com
admin-c:        YI12-AP
tech-c:         YI12-AP
auth:           # Filtered
remarks:        rir-abuse@yahooinc.com was validated on 2025-08-27
remarks:        rir-admin@yahooinc.com is invalid
mnt-by:         MAINT-AP-YAHOO-INC
last-modified:  2026-01-07T13:07:59Z
source:         APNIC

organisation:   ORG-YA6-AP
org-name:       Yahoo Inc.
org-type:       LIR
country:        US
address:        770 Broadway
phone:          +65-6809-8000
fax-no:         +1-214-478-6657
e-mail:         rir-admin@yahooinc.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:52Z
source:         APNIC

role:           ABUSE YAHOOAP
country:        ZZ
address:        701 First Avenue
address:        Sunnyvale, CA 94089
phone:          +000000000
e-mail:         rir-admin@yahooinc.com
admin-c:        YI12-AP
tech-c:         YI12-AP
nic-hdl:        AY527-AP
remarks:        Generated from irt object IRT-YAHOO-AP
remarks:        rir-abuse@yahooinc.com was validated on 2025-08-27
remarks:        rir-admin@yahooinc.com is invalid
abuse-mailbox:  rir-abuse@yahooinc.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-07T13:09:03Z
source:         APNIC

role:           YAHOO INC
address:        701 First Avenue
address:        Sunnyvale, CA 94089
country:        US
phone:          +1 408 349 3300
fax-no:         +1 408 349 3301
e-mail:         rir-admin@yahooinc.com
remarks:        send spam and abuse reports to rir-abuse@yahooinc.com
remarks:        or visit http://abuse.yahoo.com
admin-c:        KT615-AP
tech-c:         KT615-AP
nic-hdl:        YI12-AP
notify:         netops@yahoo-inc.com
mnt-by:         MAINT-AP-YAHOO-INC
last-modified:  2022-12-06T10:12:37Z
source:         APNIC

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