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



% [whois.apnic.net]
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% Information related to '103.80.102.0 - 103.80.103.255'

% Abuse contact for '103.80.102.0 - 103.80.103.255' is 'abuse@efex.com.au'

inetnum:        103.80.102.0 - 103.80.103.255
netname:        THINKEX-AU
descr:          ThinkEx Holdings Pty Ltd
country:        AU
org:            ORG-THPL3-AP
admin-c:        THPL3-AP
tech-c:         THPL3-AP
abuse-c:        AT1959-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-THINKEX-AU
mnt-irt:        IRT-THINKEX-AU
last-modified:  2025-11-28T13:29:49Z
source:         APNIC

irt:            IRT-THINKEX-AU
address:        Suite 402, Level 4/50 Margaret St, Sydney NSW 2041
e-mail:         abuse@efex.com.au
abuse-mailbox:  abuse@efex.com.au
admin-c:        THPL3-AP
tech-c:         THPL3-AP
auth:           # Filtered
mnt-by:         MAINT-THINKEX-AU
last-modified:  2025-12-01T01:05:46Z
source:         APNIC

organisation:   ORG-THPL3-AP
org-name:       ThinkEx Holdings Pty Ltd
org-type:       LIR
country:        AU
address:        Suite 402, Level 4/50 Margaret St
phone:          +611300376347
e-mail:         infrastructure.operations@efex.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2025-11-12T13:37:40Z
source:         APNIC

role:           ABUSE THINKEXAU
country:        ZZ
address:        Suite 402, Level 4/50 Margaret St, Sydney NSW 2041
phone:          +000000000
e-mail:         abuse@efex.com.au
admin-c:        THPL3-AP
tech-c:         THPL3-AP
nic-hdl:        AT1959-AP
remarks:        Generated from irt object IRT-THINKEX-AU
abuse-mailbox:  abuse@efex.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-28T13:29:49Z
source:         APNIC

role:           ThinkEx Holdings Pty Ltd administrator
address:        Suite 402, Level 4/50 Margaret St, Sydney NSW 2041
country:        AU
phone:          +611300376347
e-mail:         abuse@efex.com.au
admin-c:        THPL3-AP
tech-c:         THPL3-AP
nic-hdl:        THPL3-AP
mnt-by:         MAINT-THINKEX-AU
last-modified:  2025-11-27T00:31:45Z
source:         APNIC

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