Are any of these servers what you are looking for?

Servers with "srcds016" and "Dota" in the name:
Valve Dota 2 Server #59 (srcds016.syd-1.valve.net)
Valve Dota 2 Server #15 (srcds016.syd-1.valve.net)
Valve Dota 2 Server #18 (srcds016.lux-2.valve.net)
Valve Dota 2 Server #14 (srcds016.lux-3.valve.net)
Valve Dota 2 Server #37 (srcds016.lux-3.valve.net)
Valve Dota 2 Server #28 (srcds016.lux-3.valve.net)
Valve Dota 2 Server #45 (srcds016.lux-3.valve.net)
Valve Dota 2 Server #48 (srcds016.lux-3.valve.net)
Valve Dota 2 Server #52 (srcds016.lux-3.valve.net)
Valve Dota 2 Server #34 (srcds016.lux-3.valve.net)

Servers on :
Valve Dota 2 Server #1 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #2 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #3 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #4 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #5 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #6 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #7 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #8 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #9 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #10 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #11 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #12 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #13 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #14 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #15 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #16 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #17 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #18 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #19 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #20 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #21 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #22 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #23 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #24 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #25 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #26 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #27 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #28 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #29 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #30 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #31 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #32 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #33 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #34 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #35 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #36 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #37 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #38 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #39 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #40 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #41 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #42 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #43 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #44 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #45 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #46 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #47 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #48 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #49 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #50 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #51 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #52 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #53 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #54 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #55 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #56 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #57 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #58 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #59 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #60 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #61 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #62 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #63 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #64 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #65 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #66 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #67 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #68 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #69 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #70 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #71 (srcds016.sto-2.valve.net)
Valve Dota 2 Server #72 (srcds016.sto-2.valve.net)
Valve Dota 2 Test Server #85 (srcds016.sto-2.valve.net)
Valve Dota 2 Test Server #86 (srcds016.sto-2.valve.net)
Valve Dota 2 Beta Server #88 (srcds016.sto-2.valve.net)
Valve Dota 2 Test Server #97 (srcds016.sto-2.valve.net)
Valve Dota 2 Test Server #98 (srcds016.sto-2.valve.net)
Valve Dota 2 Beta Server #100 (srcds016.sto-2.valve.net)