Advanced Subnet Calculator from SolarWind is a simple but powerful easy to use Subnet Calculator for Windows.
Advanced Subnet Calculator can perform
whois lookups for hostnames and Domain Names
IPWhois Lookup for the provided IP Address
Classful Subnet Calculator
Claseless Inter-Domain Routing (CIDR) Calculator
Address Generator for a given IP Address and Subnet Mask
The tool can calculate both claseful Subnets and CIDRs and generate subnets. Also, can generate a list of IP Addresses for a given IP address and Subnet mask.
A quick and efficient tool for Network Administrators and designers and is completely free.
Advanced Subnet Calculator runs on Windows. To download advanced Subnet Calculator, click here