/usr/lib/x86_64-linux-gnu/liblua5.1-geoip.so is in lua-geoip-dev 0.1.2+git20160613-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/liblua5.1-geoip.so.0.0.0
/usr/lib/x86_64-linux-gnu/liblua5.1-geoip.so.0.0.0