% 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 '221.121.150.0 - 221.121.158.255'

% Abuse contact for '221.121.150.0 - 221.121.158.255' is 'abuse@as45671.net.au'

inetnum:        221.121.150.0 - 221.121.158.255
netname:        SAU-NET-AU
descr:          Servers Australia Pty Ltd Wholesale Services Provider for abuse please e-mail abuse@serversaustralia.com.au
country:        AU
admin-c:        SAPL2-AP
tech-c:         SAPL2-AP
abuse-c:        AS2316-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-AS45671-NET-AU
mnt-irt:        IRT-SAU-NET-AU
last-modified:  2021-01-27T13:19:40Z
source:         APNIC

irt:            IRT-SAU-NET-AU
address:        PO Box 3187
address:        Tuggerah
address:        NSW 2259
e-mail:         noc@serversaustralia.com.au
abuse-mailbox:  abuse@as45671.net.au
admin-c:        SA389-AP
tech-c:         SA389-AP
auth:           # Filtered
remarks:        abuse@as45671.net.au was validated on 2026-05-12
remarks:        noc@serversaustralia.com.au was validated on 2026-08-04
mnt-by:         MAINT-AU-SAUNOC
last-modified:  2026-08-04T23:49:33Z
source:         APNIC

role:           ABUSE SAUNETAU
country:        ZZ
address:        PO Box 3187
address:        Tuggerah
address:        NSW 2259
phone:          +000000000
e-mail:         noc@serversaustralia.com.au
admin-c:        SA389-AP
tech-c:         SA389-AP
nic-hdl:        AS2316-AP
remarks:        Generated from irt object IRT-SAU-NET-AU
remarks:        abuse@as45671.net.au was validated on 2026-05-12
remarks:        noc@serversaustralia.com.au was validated on 2026-08-04
abuse-mailbox:  abuse@as45671.net.au
mnt-by:         APNIC-ABUSE
last-modified:  2026-08-04T23:50:09Z
source:         APNIC

role:           Servers Australia Pty Ltd - Network Administrator
address:        PO Box 3187, Tuggerah, NSW 2259
remarks:        Internet Service Provider
country:        AU
phone:          +61-2-81158888
e-mail:         noc@serversaustralia.com.au
admin-c:        SAPL2-AP
tech-c:         SAPL2-AP
nic-hdl:        SAPL2-AP
mnt-by:         MAINT-SAU-NET-AU
last-modified:  2017-05-02T04:19:31Z
source:         APNIC

% Information related to '221.121.151.0/24AS45671'

route:          221.121.151.0/24
origin:         AS45671
descr:          Servers Australia Pty. Ltd
                PO Box 3187
mnt-by:         MAINT-SAU-NET-AU
last-modified:  2020-09-14T06:50:54Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)