If you want to ping all IP addresses at say 123.123.123.x then you ping<BR> 123.123.123.0 or 123.123.123.255. One of those pings all the IP addresses in that subnet.

I have a user who's machine is not pingable on our network, using computer hostname or associated IP. However, in troubleshooting this, I see that the IP the machine actually has does not resolve ...

Are you having trouble remembering what IP addresses are in use on your network? Jack Wallen shows you how to discover those addresses with two simple commands.

1] Find the IP address using the ping command The “ping” command makes it easy to, not only find out a website’s IP address, but also other relevant information about its server.

Then give this small, free, simple-to-use utility a try. Advanced IP Scanner v1.5 performs a lightning-fast scan of all IP addresses on your network, or of all devices in an IP range you specify.