Arm Whois,this real time tool proves to be the best friend for network administrators and computer security professionals.
    With power and capabilities of this tool one can easily know any information about the host by IP address or a domain name. The efficient tool easily retrieves country information for an IP-address or hostname, allocated IP-address blocks and other network data details. It helps in spotting the owner of the domain registration of the domain and the owner’s contact information. Further the tool also allows viewing allocated IP-address blocks, information about owner of the IP address block and the host location and technical support contact information. Other features include; find information about a computer located in any part of the world, supports search from the main window, allows to choose query by IP-address, domain or by choice, results saved to text file, process lists of IP addresses or domains and much more.
    The must have tool best runs under all 32-bit Windows systems.