MS Windows Error Messages is a small utility that will allow you to look up MS Windows error code numbers and display a descriptive message explaining what the numeric code actually means.
Easy-IP helps network administrators by presenting IP address & subnet information in a user-friendly tree structure that allows you to automate IP subnet allocation, eliminate duplicate IP address errors and organize your entire IP address space
BeeThink IP Blocker blocks unwanted IP addresses. It monitors network activities and prevents the connection between a server/website and certain IP addresses or ranges of addresses. It blocks country IP addresses with Apache's .htaccess file.
Zip Express allows you to search by zip code, city, county, state or area code. As you type in search criteria, potential matches are displayed Preferences may be chosen on what data is to be displayed. Copy data to the clipboard or print it.
A set of .NET classes that makes the work of querying DNS servers for resource record types defined by RFC-1034 and RFC-1035, and performing domain registration with the WhoIs class more easily.
Free-threaded hi-speed dictionary algorithm with unique/nonunique keys (map/multimap). Connect to another dictionary object in the same process. Lock and Unlock methods to synchronize tasks (application scope). Share ASP Application/Session objects
Ping Scanner Pro has 18 network tools, it can ping one address a lot of times or a lot of addresses one time. It will also tell you what MAC addresses are on your subnet, and perform DNS lookup or reverse DNS lookup. It does Traceroute, Whois.
IP-Country mapping Database - Geo-targeting IP Address to Country.IP-Country mapping Database can help you identify visitor's geographical location ie. country,region, city and ISP, using a ip address lookup database.
Pinkie is a suite of network troubleshooting utilities packaged in an intuitive, easy to use user interface. It can ping, trace, dns lookup, calculate subnet info, ping sweep and scan open ports. It can ping & trace multiple hosts at the same time.
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.