List of best mirrors for IP address 52.15.236.223, 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/s/sundials/libsundials-nvecparallel-pthread7_7.1.1+dfsg1-8_armhf.deb