List of best mirrors for IP address 3.133.124.23, 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/c/coinor-ipopt/coinor-libipopt1v5-dbg_3.11.9-2.3+b4_armhf.deb