The IPplan is an advanced PHP script for networking which supports mulitiple languages. This script helps you in simplifying the administration of your IP address space. It has the capability of handling single network or multiple networks with overlapping address space. The features that are available with this script includes an audit log, keeps track of SWIP or registration information, importing definitions from TAB delimited files, multiple administrators with different access profiles and much more. In addition to these features, the script offers two authentication modes.