% 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 '203.26.120.0 - 203.26.123.255'

% Abuse contact for '203.26.120.0 - 203.26.123.255' is 'hostmaster@sa.gov.au'

inetnum:        203.26.120.0 - 203.26.123.255
netname:        TOOTCIO-AU
descr:          The Office of the Chief Information Officer (OCIO)
country:        AU
org:            ORG-OOTC1-AP
admin-c:        TOOT1-AP
tech-c:         TOOT1-AP
abuse-c:        AT977-AP
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:        --------------------------------------------------------
status:         ASSIGNED PORTABLE
mnt-by:         APNIC-HM
mnt-routes:     MAINT-TOOTCIO-AU
mnt-irt:        IRT-TOOTCIO-AU
last-modified:  2023-12-21T05:05:38Z
source:         APNIC

irt:            IRT-TOOTCIO-AU
address:        Level 15, 30 Wakefield Street, Adelaide South Australia 5000
e-mail:         hostmaster@sa.gov.au
abuse-mailbox:  hostmaster@sa.gov.au
admin-c:        TOOT1-AP
tech-c:         TOOT1-AP
auth:           # Filtered
remarks:        hostmaster@sa.gov.au was validated on 2025-09-16
mnt-by:         MAINT-TOOTCIO-AU
last-modified:  2025-11-18T00:27:52Z
source:         APNIC

organisation:   ORG-OOTC1-AP
org-name:       Office of The Chief Information Officer (OCIO)
org-type:       LIR
country:        AU
address:        Level 2
address:        30 Wakefield Street
phone:          +61-417425139
e-mail:         hostmaster@sa.gov.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:05Z
source:         APNIC

role:           ABUSE TOOTCIOAU
country:        ZZ
address:        Level 15, 30 Wakefield Street, Adelaide South Australia 5000
phone:          +000000000
e-mail:         hostmaster@sa.gov.au
admin-c:        TOOT1-AP
tech-c:         TOOT1-AP
nic-hdl:        AT977-AP
remarks:        Generated from irt object IRT-TOOTCIO-AU
remarks:        hostmaster@sa.gov.au was validated on 2025-09-16
abuse-mailbox:  hostmaster@sa.gov.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-16T21:24:56Z
source:         APNIC

role:           The Office of the Chief Information Officer admini
address:        Level 15, 30 Wakefield Street, Adelaide South Australia 5000
country:        AU
phone:          +61 882072070
fax-no:         +61 882072070
e-mail:         statenet@sa.gov.au
admin-c:        TOOT1-AP
tech-c:         TOOT1-AP
nic-hdl:        TOOT1-AP
mnt-by:         MAINT-TOOTCIO-AU
last-modified:  2012-11-23T01:33:12Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-AU4)