Softperfect Nework Scanner v.4.3.4 - free
(Oct 06, 2009)
  • Added Wake-On-LAN address manager for mass wakening.
  • Added an option to clear or append to the current display when loading a file.
  • Added import of IP address list from a file.
Windows 98/ME, NT, 2000, XP, 2003, Vista, 2008(32-bit and 64-bit)
http://www.softperfect.com/products/networkscanner/