IPConfig is a good, free (gpl) Windows software, that belongs to the category Networking software with subcategory Analysis (more specifically Accelerators).
More about IPConfig
Since we added this program to our catalog in 2012, it has already achieved 15,721 downloads, and last week it gained 1 download.IPConfig is available for users with the operating system Windows 98 and former versions, and it is available in English. The current version of the program is 4.2.2 and the latest update was on 6/18/2012. IPConfig is a not that heavy program that does not require as much space than most software in the category Networking software. It's a software very heavily used in countries such as Denmark, Pakistan, and United States.