List of best mirrors for IP address 3.140.196.5, 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-pthread6_6.4.1+dfsg1-3+b5_armhf.deb