http://blogs.technet.com/b/brad_rutkowski/archive/2008/04/24/find-out-who-pings-on-a-subnet-quick-and-easy.aspxSo i know there are tools out there to do this but figured some would be interested on how to do this real quick with stuff that's already in the OS. 1) Turn off echos to make the out put clean (don’t forget to turn it back on when its done via “echoen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/brad_rutkowski/archive/2008/04/24/find-out-who-pings-on-a-subnet-quick-and-easy.aspx#3299445Wed, 09 Dec 2009 19:24:51 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3299445Hilitec<p>Without playing with ECHO OFF, and in order to work in other languages:</p> <p>FOR /L %a IN (1,1,254) DO @PING -n 1 -w 300 192.168.1.%a |findstr /i TTL</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3299445" width="1" height="1">