% 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 '203.56.81.0 - 203.56.81.255'

% Abuse contact for '203.56.81.0 - 203.56.81.255' is 'network.abuse@speedcast.com'

inetnum:        203.56.81.0 - 203.56.81.255
netname:        SPEEDCASTAUSTRALIA-AU
descr:          SPEEDCAST AUSTRALIA PTY LIMITED
country:        AU
org:            ORG-SAPL6-AP
admin-c:        SAPL17-AP
tech-c:         SAPL17-AP
abuse-c:        AA1417-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-lower:      MAINT-AU-SPEEDCASTAUSTRALIA
mnt-routes:     MAINT-AU-SPEEDCASTAUSTRALIA
mnt-irt:        IRT-AU-SPEEDCASTAUSTRALIA
last-modified:  2024-10-30T05:01:30Z
source:         APNIC

irt:            IRT-AU-SPEEDCASTAUSTRALIA
address:        Suite B1.6
address:        15-21 Doody Street
address:        Alexandria NSW 2015
phone:          +61-8-8260-8300
e-mail:         network.abuse@speedcast.com
abuse-mailbox:  network.abuse@speedcast.com
admin-c:        SAPL17-AP
tech-c:         SAPL17-AP
auth:           # Filtered
remarks:        network.abuse@speedcast.com is invalid
mnt-by:         MAINT-AU-SPEEDCASTAUSTRALIA
last-modified:  2026-01-14T13:08:07Z
source:         APNIC

organisation:   ORG-SAPL6-AP
org-name:       SPEEDCAST AUSTRALIA PTY LIMITED
org-type:       LIR
country:        AU
address:        15/21 Doody St
phone:          +618-8443-9844
e-mail:         ip-admin@speedcast.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-11-01T12:56:06Z
source:         APNIC

role:           ABUSE AUSPEEDCASTAUSTRALIA
country:        ZZ
address:        Suite B1.6
address:        15-21 Doody Street
address:        Alexandria NSW 2015
phone:          +61-8-8260-8300
e-mail:         network.abuse@speedcast.com
admin-c:        SAPL17-AP
tech-c:         SAPL17-AP
nic-hdl:        AA1417-AP
remarks:        Generated from irt object IRT-AU-SPEEDCASTAUSTRALIA
remarks:        network.abuse@speedcast.com is invalid
abuse-mailbox:  network.abuse@speedcast.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-14T13:08:57Z
source:         APNIC

role:           SPEEDCAST AUSTRALIA PTY LIMITED
address:        Suite B1.6, 15-21 Doody Street, Alexandria NSW 2015
country:        AU
phone:          +61 88 260 8300
e-mail:         ip-admin@speedcast.com
admin-c:        SAPL17-AP
tech-c:         SAPL17-AP
nic-hdl:        SAPL17-AP
notify:         ip-admin@speedcast.com
mnt-by:         MAINT-AU-SPEEDCASTAUSTRALIA
last-modified:  2024-10-30T05:01:05Z
source:         APNIC

% Information related to '203.56.81.0/24AS202013'

route:          203.56.81.0/24
origin:         AS202013
descr:          SPEEDCAST AUSTRALIA PTY LIMITED
                Level 1, 12 Lord St,
mnt-by:         MAINT-AU-SPEEDCASTAUSTRALIA
last-modified:  2024-05-27T06:05:26Z
source:         APNIC

% Information related to '203.56.81.0/24AS205019'

route:          203.56.81.0/24
origin:         AS205019
descr:          SPEEDCAST AUSTRALIA PTY LIMITED
                Level 1, 12 Lord St,
mnt-by:         MAINT-AU-SPEEDCASTAUSTRALIA
last-modified:  2024-05-31T08:23:11Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)