List of best mirrors for IP address 3.145.163.138, located in an unknown country.
I am very sorry, but no mirror was found. Feel free to download directly:
http://mirrordirector-mb.raspbian.org/raspbian/pool/main/a/alsamixergui/alsamixergui_0.9.0rc2-1-10.2+b1_armhf.deb