NetAlyzer is a mini tool to gather information about the owner of internet domains, and trace routes to Internet servers. It’s database can be used to store, browse and search previous WhoIs queries, which allows you to keep a history of e.g. all the malware domains you’ve analyzed, search the history for other domains owned by the same person, etc.
To use NetAlyzer, simply download the program, install it, and run it from the folder where it is installed.
By Default, this is:
C:\Program Files (x86)\Safer Networking\NetAlyzer
Or on a 32-bit/(x86) system:
C:\Program Files\Safer Networking\NetAlyzer