List of best mirrors for IP address 3.135.220.239, 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/g/gnustep-netclasses/libnetclasses-dev_1.06.dfsg+really1.1.0-2_armhf.deb