resolving ip addresses to host names.

While monitoring our badndwidth usage through our firewall, we sometimes find an IP address using a huge chunk of bandwidth.  We would like to find out who it is, but we use DHCP, and when I "ping -a <ip address>" the address I get back the host name of a computer shut off or nothing at all.

Is there any sure fire way to resolve an IP address to a hostname?  What if the computer isn't part of our domain, but is recieving ip addresses from our DHCP server (Windows 2003 server)?
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starmonkeyAsked:
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dcockrellConnect With a Mentor Commented:
You should be able to view all of the IP assignments in your DHCP app.  It should tell you the client IP address, host name, and so on.
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starmonkeyAuthor Commented:
Uh.  Oh.
Well that woulkd definitly work, I should have thought of that.
Thanks!
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