List of best mirrors for IP address 3.21.35.68, 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/libg/libgrokj2k/libgrokj2k1-dev_10.0.5-1+b8_armhf.deb