Angry IP Scanner
Angry IP Scanner is a FREE portable IP address and port scanner that was designed to be fast and very simple to use. IP Scanner pings an IP addresses to see if it is alive, then it resolves the hostname, determines the MAC address and scans for open ports. Additional plugins are available to help gather more data about each host. This tool is commonly used by network administrators around the world. It requires roughly 888KB for complete stand alone installation.
Angry IP Scanner – Portable IP and Port Scanner Screenshot:

Authors Website: angryziber.com/w/Home
License: Open Source
Download: Grab this Portable IP and Port Scanner HERE