% 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 '116.90.51.0 - 116.90.51.255'

% Abuse contact for '116.90.51.0 - 116.90.51.255' is 'abuse@hostopia.com.au'

inetnum:        116.90.51.0 - 116.90.51.255
netname:        DIGITALPACIFIC
descr:          Hostopia Australia Pty Ltd
country:        AU
admin-c:        DPPL2-AP
tech-c:         DPPL2-AP
abuse-c:        AH908-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-HOSTOPIA-AU
mnt-irt:        IRT-HOSTOPIA-AU
last-modified:  2021-03-03T13:30:39Z
source:         APNIC

irt:            IRT-HOSTOPIA-AU
address:        PO Box 76
address:        Strawberry Hills NSW 2012
address:        Australia
e-mail:         abuse@hostopia.com.au
abuse-mailbox:  abuse@hostopia.com.au
admin-c:        HAA3-AP
tech-c:         HAA3-AP
auth:           # Filtered
remarks:        abuse@hostopia.com.au was validated on 2025-08-28
mnt-by:         MAINT-HOSTOPIA-AU
last-modified:  2025-12-04T16:59:19Z
source:         APNIC

role:           ABUSE HOSTOPIAAU
country:        ZZ
address:        PO Box 76
address:        Strawberry Hills NSW 2012
address:        Australia
phone:          +000000000
e-mail:         abuse@hostopia.com.au
admin-c:        HAA3-AP
tech-c:         HAA3-AP
nic-hdl:        AH908-AP
remarks:        Generated from irt object IRT-HOSTOPIA-AU
remarks:        abuse@hostopia.com.au was validated on 2025-08-28
abuse-mailbox:  abuse@hostopia.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-28T11:50:39Z
source:         APNIC

person:         DIGITAL PACIFIC PTY LTD
address:        PO Box 76
                Strawberry Hills, NSW, 2012
country:        AU
phone:          +61 2 8014 7030
fax-no:         +61 2 9319 1425
e-mail:         apnic@digitalpacific.com.au
nic-hdl:        DPPL2-AP
mnt-by:         MAINT-AU-DIGITALPACIFIC-AU
last-modified:  2012-02-16T06:58:23Z
source:         APNIC

% Information related to '116.90.51.0/24AS198949'

route:          116.90.51.0/24
origin:         AS198949
descr:          Hostopia Australia Web Pty Ltd
                PO Box 76
mnt-by:         MAINT-HOSTOPIA-AU
last-modified:  2025-12-03T01:56:34Z
source:         APNIC

% Information related to '116.90.51.0/24AS26337'

route:          116.90.51.0/24
origin:         AS26337
descr:          Hostopia Australia Web Pty Ltd
                PO Box 76
mnt-by:         MAINT-HOSTOPIA-AU
last-modified:  2025-12-03T01:52:59Z
source:         APNIC

% Information related to '116.90.51.0/24AS31898'

route:          116.90.51.0/24
origin:         AS31898
descr:          Hostopia Australia Web Pty Ltd
                PO Box 76
mnt-by:         MAINT-HOSTOPIA-AU
last-modified:  2025-12-03T01:49:33Z
source:         APNIC

% Information related to '116.90.51.0/24AS55803'

route:          116.90.51.0/24
origin:         AS55803
descr:          Hostopia Australia Web Pty Ltd
                201 Elizabeth St
                Level 11
mnt-by:         MAINT-HOSTOPIA-AU
last-modified:  2020-06-22T03:26:47Z
source:         APNIC

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