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

% [whois.apnic.net]
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% Information related to '103.103.238.0 - 103.103.238.255'

% Abuse contact for '103.103.238.0 - 103.103.238.255' is 'helpdesk@sydgram.nsw.edu.au'

inetnum:        103.103.238.0 - 103.103.238.255
netname:        TTOTSGS-AU
descr:          THE TRUSTEES OF THE SYDNEY GRAMMAR SCHOOL
country:        AU
org:            ORG-TTOT1-AP
admin-c:        TTOT1-AP
tech-c:         TTOT1-AP
abuse-c:        AT1446-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-TTOTSGS-AU
mnt-irt:        IRT-TTOTSGS-AU
last-modified:  2021-01-08T04:01:44Z
source:         APNIC

irt:            IRT-TTOTSGS-AU
address:        10 College Street, Darlinghurst New South Wales 2010
e-mail:         helpdesk@sydgram.nsw.edu.au
abuse-mailbox:  helpdesk@sydgram.nsw.edu.au
admin-c:        TTOT1-AP
tech-c:         TTOT1-AP
auth:           # Filtered
remarks:        helpdesk@sydgram.nsw.edu.au was validated on 2026-06-11
mnt-by:         MAINT-TTOTSGS-AU
last-modified:  2026-08-11T21:17:10Z
source:         APNIC

organisation:   ORG-TTOT1-AP
org-name:       THE TRUSTEES OF THE SYDNEY GRAMMAR SCHOOL
org-type:       LIR
country:        AU
address:        10 College Street
phone:          +61-2-9332-5800
fax-no:         +61-2-9331-5164
e-mail:         helpdesk@sydgram.nsw.edu.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:23Z
source:         APNIC

role:           ABUSE TTOTSGSAU
country:        ZZ
address:        10 College Street, Darlinghurst New South Wales 2010
phone:          +000000000
e-mail:         helpdesk@sydgram.nsw.edu.au
admin-c:        TTOT1-AP
tech-c:         TTOT1-AP
nic-hdl:        AT1446-AP
remarks:        Generated from irt object IRT-TTOTSGS-AU
remarks:        helpdesk@sydgram.nsw.edu.au was validated on 2026-06-11
abuse-mailbox:  helpdesk@sydgram.nsw.edu.au
mnt-by:         APNIC-ABUSE
last-modified:  2026-06-11T22:02:44Z
source:         APNIC

role:           THE TRUSTEES OF THE SYDNEY GRAMMAR SCHOOL administ
address:        10 College Street, Darlinghurst New South Wales 2010
country:        AU
phone:          +61-2-9332-5800
fax-no:         +61-2-9332-5800
e-mail:         helpdesk@sydgram.nsw.edu.au
admin-c:        TTOT1-AP
tech-c:         TTOT1-AP
nic-hdl:        TTOT1-AP
mnt-by:         MAINT-TTOTSGS-AU
last-modified:  2017-11-13T01:34:22Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)