Free Network Tools including Reverse IP, Google Rank, Domain WHOIS and IP WHOIS.
Reverse IP is the best way to find all domains hosted on a given IP/IP block address. Enter an IP/Domain name or IP block address(es) and recieve a list of domains hosted on that IP.

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. Once the list of domain is loaded and processed, the program imports all found data to a text file, Windows Clipboard or any MS Office application.

Simple FREE tool for getting whois info about an IP or domain name. Just enter the IP address or domain name and press 'whois'.

Scanmetender Standard is a multifunctional TCP/UDP network scanner and security suite, which unites a perfect graphical user interface (GUI) with professional functions. Scanmetender Standard is not only able to scan ports, but also to close them! It is probably the best choice if you search a port scanner.

Whois.dll is a powerful .NET component for whois searches. You can easily integrate Whois searches with your application using any .NET language. Whois.dll was written entirely in managed code. It can perform recursive whois queries and automatically finds the correct whois server. It is possible to override a given whois server and use a custom whois server for better performance.

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. This tool will lookup information on a domain, IP address, or a domain registration information .

HotWhoIs is a convenient and easy-to-use application for obtaining all available information on a given IP address or domain name. You can retrieve information about the organization or the ISP that owns the IP address, including the country, state, city, address, contact phone numbers and e-mails. It can determine name and version of the remote web server. It can also ping remote hosts to check their availability.

Find the ultimate popular domain name using powerful brainstorming with a built-in automatic thesaurus, advanced search with word groups and positional settings, advanced pattern search, acronyms and Net Speak.

Domain Name Pro also identifies expired and expiring domain names, calculates search engine and link popularity, includes trademark searches, sorting, exporting, 500+ domains, configurable performance, custom word lists, and much more!

WhosIP is a simple command-line utility that allows you to easily find all available information about an IP address: The owner of the IP address, the country/state name, IP addresses range, contact information (address, phone, fax, and email), and more.

Active Whois is an easy-to-use network tool for the retrieving of all information such as country, email and postal addresses for the owners of IP addresses and Internet domains. Unlike other WHOIS clients, Active Whois does not require special skills to collect the desired information. Its unique WHOIS-hyperlink feature allows you to browse a domain's databases as easily as you do the Web.

CallerIP monitors activity on open ports on your system, which are often not protected by firewalls, and identifies backdoors that could allow harmful Trojans to steal your information. Connections are monitored in realtime and identified by country, a click on an IP address shows the city and country location on a world map. Worldwide WHOIS lookups show domain and network registration contact information, including abuse reporting information.

SmartWhois is a network information utility that allows you to find out all available information about an IP address, host name, or domain.

Unlike standard Whois utilities, SmartWhois can find the information about a computer located in any part of the world, querying the right database and delivering all the related records within seconds.

SmartWhois is capable of caching query results, which reduces the time needed to query an address.

Visual WhoIs 2004 is a handy network tool that allows you to find relevant information about domains, ip addresses, web servers, email addresses... Protect your privacy, avoid fraudulent sites and hoaxes. Locate web sites, email addresses and IP addresses on a 3D globe. Visual WhoIs 2004 can perform WhoIs queries against domain names or IP addresses. It locates the address on a 3D globe and can even perform a visual trace route.

Extract domain owner address, phone, fax, email, dns, date value from whois. Whois Extractor extracts domain information from global whois database source. It extracts Domain, TLD, Registrant, Admin Name, Address, City, State, Zip, Country, Phone, Fax, Email, NameServer, Domain Created Date, Updated Date, Domain Expired Date. The program auto saves all extracted data in csv/text file with success, error, log text.

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. KFWhois does the hard work for you in finding the right registrar for each domain and querying its whois database. This application saves you time and trouble in managing your vital domain name assets.