List of best mirrors for IP address 18.224.57.16, 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/liba/libauthen-krb5-perl/libauthen-krb5-perl_1.9-6+b2_armhf.deb