IPplan is a free opensource IP Address management application. IPPlan is a web based IP address management software and tracking tool simplifying the administration of your IP address space. IPplan goes beyond IP address management including DNS administration, configuration file management, circuit management and storing of hardware information.
To test your website before DNS propagation has completed you can edit the HOSTS file on your local computer. Your computer will use the entries in your HOSTS file before it looks up the current information in DNS. This walkthrough will explain how to edit the HOSTS file on Windows 98/Me/2000/XP/2003/Vista computers as well as on Apple Mac OS 9 and OS X machines.