NBTscan-Ipanto is a command-line tool that scans for NETBIOS devices on a local or remote TCP/IP network. NBTscan-Ipanto is more powerful than others NETBIOS scanners as it is designed not to flood ARP tables and firewalls. It gives very useful reports, including the username connected on each detected device. NBTscan-Ipanto is an open source freeware. All downloads can be found at: http://www.ipanto.com/?/tools_resources/freeware