List of best mirrors for IP address 3.144.89.152, 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/libd/libdevel-callchecker-perl/libdevel-callchecker-perl_0.009-1+b1_armhf.deb