Whois.dll is a powerful .NET component for whois searches. You can easly integrate Whois searches with your application using any .NET language. It can perform recursive whois queries and automatically finds the correct whois server.

Whois Tool is a client utility that communicates with WHOIS servers located around the world to obtain domain registration information.Whois supports IP address queries and automatically selects the appropriate whois server for IP addresses.

HSLAB WhoIs is a network tool to find any information about the Internet domain or IP address owner. Also you can find: domain/IP owner country, country map, country extended information, email abuse address, IP pool owner, and many more.

TracePlus/Win32 shows you the interaction between your Win32 application and multiple Win32 APIs.

Alien Whois is a domain name lookup utility. It can be customized to search any whois server in the world, and results can be saved to a text file or printed.

Fast WhoIs is a WhoIs Query Tool helping you to query domains faster just by copying to the Clipboard the domain(s) you want to query. It is a Windows .Net software application.

Active Whois search important information on websites and IRC/Instant Message/chat nicknames or attacking hackers. Locate individuals or organizations with postal address including country for the domain or IP address holder, all with a single click!

Arm Whois is a simple in use and effective program, designed both for network security professionals and real users to look up all available information about an IP address, hostname or domain. Saves obtained info, works in a batch mode.