Are any of these servers what you are looking for?

Servers with "srcds015" and "Dota" in the name:
Valve Dota 2 Server #26 (srcds015.syd-1.valve.net)
Valve Dota 2 Server #25 (srcds015.syd-1.valve.net)
Valve Dota 2 Server #24 (srcds015.syd-1.valve.net)
Valve Dota 2 Server #59 (srcds015.syd-1.valve.net)
Valve Dota 2 Server #52 (srcds015.syd-1.valve.net)
Valve Dota 2 Server #49 (srcds015.syd-1.valve.net)
Valve Dota 2 Server #40 (srcds015.syd-1.valve.net)
Valve Dota 2 Server #43 (srcds015.syd-1.valve.net)
Valve Dota 2 Server #44 (srcds015.syd-1.valve.net)
Valve Dota 2 Server #45 (srcds015.syd-1.valve.net)