X-NetStat 

X-NetStat displays information on your Internet and / or network connections in realtime. Details of each connection are shown in a list called the connection table, including remote hostnames and IP addresses, ports used, status, age, and program.
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Iban 

- Want to know who is or owns an ip address or domain? - Search worldwide for interesting domains. - Hear when a line breaks down/is up. - Know why you can not reach a domain. - Solve internet problems from your desk. - New: Reports printable
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OstroSoft ICMP Component 

COM library for Visual Basic 6, allowing to create custom ping and traceroute implementations.
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Engineers Edition 

An awesome collection of over 38 Networking Tools. From graphing Bandwidth Monitors to Network Discovery tools to Cisco Router tools to a Network Monitor with email alerts, to a Full MIB Browser. As you can see from its size, this toolset is LOADED.
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BKTraceRoute 

The BKTraceRoute v3.0 .NET class collection contains TraceRoute and associated utility classes for tracing the route to one or more remote hosts. Per Developer and Source Code Licensing are available.
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BKPing 

The BKPing v3.0 .NET class collection contains Ping and associated utility classes for pinging one or more remote hosts. Documentation and examples of use in C# and VB.NET are also provided. Per Developer and Source Code Licensing are available.
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