Originally Posted by Dynamix

Got bored so I threw one together.

It loads a source file, removes any duplicates, verifies that each entry is only numbers and periods, then generates a new list based upon the range you supply.

Will require VB dependencies MSVBVM60.DLL and COMDLG32.OCX which most of you probably have already anyhow.

http://www.dynamixxx.com/complete/software/ipRange.exe