% APNIC found the following authoritative answer from: whois.apnic.net

% [whois.apnic.net]
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% Information related to 'EL221-AP'

role:           Engin LIR
address:        Engin
address:        22 Rodborough Road
address:        Frenchs Forest
address:        NSW, 2086
country:        AU
phone:          +61-2-89855800
e-mail:         netadmin@engin.com.au
admin-c:        AS1142-AP
tech-c:         AS1142-AP
nic-hdl:        EL221-AP
mnt-by:         MAINT-AU-M2TELECOMMUNICATIONS
last-modified:  2013-07-30T08:08:08Z
source:         APNIC

person:         Anthony Schofield
address:        Level 2, 20 Bridge Street
address:        Sydney NSW 2000
country:        AU
phone:          +612 8381 2009
e-mail:         anthony.schofield@vocus.com.au
nic-hdl:        AS1142-AP
mnt-by:         MAINT-AU-VOCUS
last-modified:  2022-02-08T01:49:22Z
source:         APNIC

% Information related to 'EN25-AP'

role:           Engin NOC
address:        Engin
address:        22 Rodborough Road
address:        Frenchs Forest
address:        NSW, 2086
country:        AU
phone:          +61-2-89855800
e-mail:         netadmin@engin.com.au
admin-c:        VA153-AP
tech-c:         VA153-AP
nic-hdl:        EN25-AP
mnt-by:         MAINT-AU-M2TELECOMMUNICATIONS
last-modified:  2020-12-15T02:04:20Z
source:         APNIC

role:           Vocus AU
address:        Level 10, 452 Flinders St
                Melbourne VIC 3000
country:        AU
phone:          +61 2 8999 8999
e-mail:         noc@vocus.com.au
admin-c:        VA153-AP
tech-c:         VA153-AP
nic-hdl:        VA153-AP
notify:         hostmaster@vocus.com.au
mnt-by:         MAINT-AU-VOCUS
last-modified:  2020-12-15T01:11:16Z
source:         APNIC

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