% 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 '101.234.72.0 - 101.234.75.255'

% Abuse contact for '101.234.72.0 - 101.234.75.255' is 'aunatitsinfnet@deloitte.com'

inetnum:        101.234.72.0 - 101.234.75.255
netname:        DELOITTESERVICES-AU
descr:          DELOITTE SERVICES PTY LTD
country:        AU
org:            ORG-DSPL3-AP
admin-c:        DSPL6-AP
tech-c:         DSPL6-AP
status:         ALLOCATED PORTABLE
abuse-c:        AD1078-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:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-DELOITTESERVICES-AU
mnt-routes:     MAINT-DELOITTESERVICES-AU
mnt-irt:        IRT-DELOITTESERVICES-AU
last-modified:  2025-07-15T05:28:07Z
source:         APNIC

irt:            IRT-DELOITTESERVICES-AU
address:        Quay Quarter Tower, 50 Bridge St, Sydney NSW 2000
e-mail:         aunatitsinfnet@deloitte.com
abuse-mailbox:  aunatitsinfnet@deloitte.com
admin-c:        DSPL6-AP
tech-c:         DSPL6-AP
auth:           # Filtered
remarks:        email address has been updated
remarks:        aunatitsinfnet@deloitte.com is now valid
remarks:        aunatitsinfnet@deloitte.com was validated on 2026-08-25
mnt-by:         MAINT-DELOITTESERVICES-AU
last-modified:  2026-08-31T06:27:55Z
source:         APNIC

organisation:   ORG-DSPL3-AP
org-name:       DELOITTE SERVICES PTY LTD
org-type:       LIR
country:        AU
address:        L46, Quay Quarter Tower, 50 Bridge Street,
phone:          +61-2-9322-7000
fax-no:         +61-2-9322-7000
e-mail:         AUITSInfraNetSec@deloitte.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:03Z
source:         APNIC

role:           ABUSE DELOITTESERVICESAU
country:        ZZ
address:        Quay Quarter Tower, 50 Bridge St, Sydney NSW 2000
phone:          +000000000
e-mail:         aunatitsinfnet@deloitte.com
admin-c:        DSPL6-AP
tech-c:         DSPL6-AP
nic-hdl:        AD1078-AP
remarks:        Generated from irt object IRT-DELOITTESERVICES-AU
remarks:        aunatitsinfnet@deloitte.com was validated on 2026-08-25
abuse-mailbox:  aunatitsinfnet@deloitte.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-08-25T22:50:32Z
source:         APNIC

role:           Deloitte Services Pty Ltd
address:        Quay Quarter Tower, 50 Bridge St, Sydney NSW 2000
country:        AU
phone:          +61-2-9322-7000
fax-no:         +61-2-9322-7000
e-mail:         AUITSInfraNetSec@deloitte.com.au
admin-c:        DSPL6-AP
tech-c:         DSPL6-AP
nic-hdl:        DSPL6-AP
mnt-by:         MAINT-DELOITTESERVICES-AU
last-modified:  2023-05-11T22:30:29Z
source:         APNIC

% Information related to '101.234.72.0/22AS56135'

route:          101.234.72.0/22
origin:         AS56135
descr:          DELOITTE SERVICES PTY LTD
                L46, Quay Quarter Tower, 50 Bridge Street,
mnt-by:         MAINT-DELOITTESERVICES-AU
last-modified:  2025-08-06T02:52:41Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)