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



% [whois.apnic.net]
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% Information related to '203.30.33.0 - 203.30.33.255'

% Abuse contact for '203.30.33.0 - 203.30.33.255' is 'service@nbcs.net.au'

inetnum:        203.30.33.0 - 203.30.33.255
netname:        NBCS-AU
descr:          NBCS Pty Ltd
country:        AU
org:            ORG-NPL48-AP
admin-c:        NPLA37-AP
tech-c:         NPLA37-AP
abuse-c:        AN3278-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-NBCSPTYLTD-AU
mnt-irt:        IRT-NBCSPTYLTD-AU
last-modified:  2025-06-06T04:45:55Z
source:         APNIC

irt:            IRT-NBCSPTYLTD-AU
address:        8 Masters St, Newstead Queensland 4006
e-mail:         service@nbcs.net.au
abuse-mailbox:  service@nbcs.net.au
admin-c:        NPLA37-AP
tech-c:         NPLA37-AP
auth:           # Filtered
remarks:        service@nbcs.net.au was validated on 2025-12-09
mnt-by:         MAINT-NBCSPTYLTD-AU
last-modified:  2025-12-09T20:37:37Z
source:         APNIC

organisation:   ORG-NPL48-AP
org-name:       NBCS Pty Ltd
org-type:       LIR
country:        AU
address:        54 Goodenia Crescent
phone:          +61 7 3376 2358
e-mail:         nbse.service@gmail.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2025-05-13T13:16:55Z
source:         APNIC

role:           ABUSE NBCSPTYLTDAU
country:        ZZ
address:        8 Masters St, Newstead Queensland 4006
phone:          +000000000
e-mail:         service@nbcs.net.au
admin-c:        NPLA37-AP
tech-c:         NPLA37-AP
nic-hdl:        AN3278-AP
remarks:        Generated from irt object IRT-NBCSPTYLTD-AU
remarks:        service@nbcs.net.au was validated on 2025-12-09
abuse-mailbox:  service@nbcs.net.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-09T20:38:15Z
source:         APNIC

role:           NBCS Pty Ltd administrator
address:        8 Masters St, Newstead Queensland 4006
country:        AU
phone:          +61411185553
e-mail:         nbse.service@gmail.com
admin-c:        NPLA37-AP
tech-c:         NPLA37-AP
nic-hdl:        NPLA37-AP
mnt-by:         MAINT-NBCSPTYLTD-AU
last-modified:  2025-06-02T06:30:11Z
source:         APNIC

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