S.K. Software MyLanViewer v4.9.1

MyLanViewer network scanner is a powerful
IP and NetBIOS scanner, whois and
traceroute tool, remote shutdown and
Wake-On-Lan manager, LAN messenger and
network monitor. It displays your network
computers an easy to read, buddy-list
style window that provides the machine
names, MAC addresses, shared resources
and other technical details for each
computer. It is able to monitor IP and
show notification when states of some
computers change. You can also view and
access shared folders, terminate user
sessions, and disable shared resources.