From the developer: "Subnetting Calculator.NET was designed with network administrators in mind. Calculate Subnets for your networks with Ease. Features Include: IP & Network ID Converted to Binary; Listing of all possible Network & Broadcast ID's; IP Class, Type, Range, Good for Host, Total Hosts per Network, Total Networks; Automatic Updates; Host Look Up; Ping Remote Host; Trace Route from Local Machine to Remote Host; Display Routing Table of Local Machine; Convert numbers up to and including 999,999,999,999,999,999 to Binary, Octal, And Hex.Registered Version Enables All Possible Masks, Trace route, Default Mask."
||Free to try
||Windows 98/Me/NT/2000/XP, Microsoft .NET Framework