% 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 '164.53.0.0 - 164.53.255.255'

% Abuse contact for '164.53.0.0 - 164.53.255.255' is 'ip.admin@nab.com.au'

inetnum:        164.53.0.0 - 164.53.255.255
netname:        NAB-AU
descr:          NATIONAL AUSTRALIA BANK LIMITED
country:        AU
org:            ORG-NABL1-AP
admin-c:        NIA32-AP
tech-c:         NIA32-AP
abuse-c:        AN848-AP
status:         ALLOCATED 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-lower:      MAINT-NAB-AU
mnt-routes:     MAINT-NAB-AU
mnt-irt:        IRT-NAB-AU
last-modified:  2020-07-07T05:01:11Z
source:         APNIC

irt:            IRT-NAB-AU
address:        700 Bourke Street, Docklands, Melbourne, Australia,3008, Melbourne Victoria 3008
e-mail:         ip.admin@nab.com.au
abuse-mailbox:  ip.admin@nab.com.au
admin-c:        NIA32-AP
tech-c:         NIA32-AP
auth:           # Filtered
remarks:        ip.admin@nab.com.au was validated on 2023-11-03
mnt-by:         MAINT-NAB-AU
last-modified:  2023-11-03T03:33:48Z
source:         APNIC

organisation:   ORG-NABL1-AP
org-name:       National Australia Bank Limited
org-type:       LIR
country:        AU
address:        700 Bourke Street
address:        Docklands, Melbourne, Australia,3008
phone:          +61-1300-889-398
e-mail:         ip.admin@nab.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:11Z
source:         APNIC

role:           ABUSE NABAU
address:        700 Bourke Street, Docklands, Melbourne, Australia,3008, Melbourne Victoria 3008
country:        ZZ
phone:          +000000000
e-mail:         ip.admin@nab.com.au
admin-c:        NIA32-AP
tech-c:         NIA32-AP
nic-hdl:        AN848-AP
remarks:        Generated from irt object IRT-NAB-AU
remarks:        ip.admin@nab.com.au was validated on 2023-11-03
abuse-mailbox:  ip.admin@nab.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2023-11-03T03:34:35Z
source:         APNIC

role:           NAB IP ADMIN
address:        700 Bourke Street,
address:        Docklands, Melbourne,
address:        3008
country:        AU
phone:          +61 1300 889 398
e-mail:         ip.admin@nab.com.au
admin-c:        NIA32-AP
tech-c:         NN412-AP
nic-hdl:        NIA32-AP
mnt-by:         MAINT-NAB-AU
abuse-mailbox:  abuse@nab.com.au
last-modified:  2017-06-28T04:52:15Z
source:         APNIC

% Information related to '164.53.218.0/23AS10235'

route:          164.53.218.0/23
origin:         AS10235
descr:          National Australia Bank Limited
                700 Bourke Street
                Docklands, Melbourne, Australia,3008
mnt-by:         MAINT-NAB-AU
last-modified:  2017-06-27T07:02:29Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-AU3)

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