List of best mirrors for IP address 3.135.214.175, 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/libm/libmath-bigint-gmp-perl/libmath-bigint-gmp-perl_1.7001-1.debian.tar.xz