Atomic Whois Explorer 

Atomic Whois Explorer is designed to search through global WHOIS database to extract owners' personal data. Current version of the program is capable of retrieving all contact e-mail addresses, phone and fax numbers, country name and expiration dates
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PingPlotter 

PingPlotter is an intuitive graphical network-troubleshooting & diagnostic tool. It uses a combo of Traceroute, Ping, and Whois to collect data quickly, and you can then focus on particular aspects of that data to determine where a problem is.
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CallerIP 

CallerIP monitors connections to your system, identifies harmful backdoors used for hacker attacks. The country location is identified for each IP, worldwide WHOIS lookups show domain and network contact info, including abuse reporting information.
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VisualRoute 2006 

VisualRoute combines several essential network tools to analyze Internet connections and identify bottlenecks that cause slow response. The path of each connection is shown on a world map, domain and network Whois lookups enable quick reporting.
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iNetQuery 

iNetQuery is a powerful Internet utility for network monitoring. Special query features, like DNS, Whois or NetStat, can be used to determine detailed information about domains, hostnames or network providers.
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KFWhois 

KF Whois makes it easy to look up and store domain registration details. It tracks changes to domain registrations and warns you when they are about to expire.
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