There is also a free subnet calculator, Internet Throughput Test, subnet addresses, and TCP/IP port translation. The subnet diagram shows the topology of an Ethernet network containing the IP address, logical address, subnet masks, and associated network routing table. It enables one to calculate subnet masks and associated IP addresses from an IP address. The application may be used to test the presence or absence of subnet masks in a Windows or Linux server.
There are many reasons one may want to use this software. Free software subnet calculator can be downloaded from the internet and used without any licensing fees. It has a back-end which will search for subnet masks for any given IP address. The software has a front-end, which is the application itself. When the software is installed on the machine and running, a free online subnet calculator can be used. The software uses the IP address as the source address and subnet masks are the destination addresses.
One can get a detailed information about subnet masks by using Wireshark. This free network analysis tool supports all kinds of subnet masks and has a comprehensive database. Another free tool is IP Chkstl which is a utility to find information about the specified IP addresses. Wireshark and IP Chkstl are supported on Windows machines. For more details on these free tools, visit URL furnished at the end of this article.