Features:

• Response time
• Address class information
• Forward and reverse DNS resolution
• Address translation (hexadecimal and binary)

This program has all this, as well as calculating subnets based on mask bits, mask, host bits, hosts pre subnet and and number of subnets. Calculate a list of addresses for any subnet.

Thsi is the tool to have if you are going to be doing any subnet work for your LAN setup.