It is an extension. You download the extension tarball[1], make, make install, then run 'create extension ip4r'. [1] http://pgfoundry.org/frs/download.php/3383

It is an extension. You download the extension tarball[1], make, make install, then run 'create extension ip4r'. [1] http://pgfoundry.org/frs/download.php/3383/ip4r-extension-2.0.tgz http://pgfoundry.org/frs/download.php/3383/ip4r-extension-2....