SUBNET-IT
http://tnt.dynu.com
tonesta4x4@hotmail.com

Version 1
-Added support for class D(multicast) and class E(other/experimental)
-Added intro screen with version
-Edited user input screens to be more user-friendly
-Select number of bits borrowed - shows all possible numbers of bits borrowed for Class A, B, and C
-Shows total number of subnets created
-Shows total number of useable subnets created 
-Shows subnet mask
-Shows Increments of which network id's go up
-Ability to change number of bits borrowed
-Ability to start over with a new ip address

Initial Version
-Determines class A, B, C, or invalid according to first octet