% APNIC found the following authoritative answer from: whois.apnic.net



% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '61.16.24.0 - 61.16.27.255'

% Abuse contact for '61.16.24.0 - 61.16.27.255' is 'network-abuse@ahrefs.com'

inetnum:        61.16.24.0 - 61.16.27.255
netname:        AHREFS-SG
descr:          Ahrefs Pte Ltd
descr:          Marina One East Tower,
descr:          7 Straits View, # 08-02
country:        SG
geofeed:        https://ahrefs.com/csv/geofeed.csv
org:            ORG-APL63-AP
admin-c:        APLA38-AP
tech-c:         APLA38-AP
abuse-c:        AA2889-AP
status:         ASSIGNED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-routes:     MAINT-AHREFS-SG
mnt-irt:        IRT-AHREFS-UK
last-modified:  2025-02-28T09:10:37Z
source:         APNIC

irt:            IRT-AHREFS-UK
address:        Unit 21 Goldsworth Park Trading Estate, Woking, GU21 3BA, GB
e-mail:         network-abuse@ahrefs.com
abuse-mailbox:  network-abuse@ahrefs.com
admin-c:        APLA38-AP
tech-c:         APLA38-AP
auth:           # Filtered
remarks:        network-abuse@ahrefs.com was validated on 2025-12-30
mnt-by:         MAINT-AHREFS-SG
last-modified:  2025-12-30T14:20:36Z
source:         APNIC

organisation:   ORG-APL63-AP
org-name:       Ahrefs Pte Ltd
org-type:       LIR
country:        SG
address:        Marina One East Tower,
address:        7 Straits View, # 08-02
phone:          +6585915924
e-mail:         network-team@ahrefs.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:18:11Z
source:         APNIC

role:           ABUSE AHREFSUK
country:        ZZ
address:        Unit 21 Goldsworth Park Trading Estate, Woking, GU21 3BA, GB
phone:          +000000000
e-mail:         network-abuse@ahrefs.com
admin-c:        APLA38-AP
tech-c:         APLA38-AP
nic-hdl:        AA2889-AP
remarks:        Generated from irt object IRT-AHREFS-UK
remarks:        network-abuse@ahrefs.com was validated on 2025-12-30
abuse-mailbox:  network-abuse@ahrefs.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-30T14:20:57Z
source:         APNIC

role:           Ahrefs Pte Ltd administrator
address:        Marina One East Tower,, 7 Straits View, #08-02, Singapore Singapore 018936
country:        SG
phone:          +6585915924
e-mail:         network-abuse@ahrefs.com
admin-c:        APLA38-AP
tech-c:         APLA38-AP
nic-hdl:        APLA38-AP
mnt-by:         MAINT-AHREFS-SG
last-modified:  2020-04-16T04:37:46Z
source:         APNIC

% Information related to '61.16.24.0/22AS140577'

route:          61.16.24.0/22
origin:         AS140577
descr:          Ahrefs Pte Ltd
                Marina One East Tower,
                7 Straits View, #08-02
mnt-by:         MAINT-AHREFS-SG
last-modified:  2025-01-22T13:01:59Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)