Network Stuff
Network Stuff is a Free Portable Network Tool that can be used to perform various network diagnostic functions such as Telnet, Ping, Traceroute, Whois, DNS resolver, retreive MAC address, retreive IP address, view TCP/UDP/ICMP stats and much more. A very handy portable network diagnostic tool to add to your arsenal.
Network Stuff Screenshot:

Authors Website: jacquelin.potier.free.fr/networkstuff
License: Open Source
Download: Get this Portable Network Tool HERE