Re: Find out if an IP address is in use on the LAN -- PCTECH

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Subject: Re: Find out if an IP address is in use on the LAN
From: David Gibbs <david@xxxxxxxxxxxx>
Date: Thu, 14 Aug 2014 12:41:22 -0500
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On 8/14/2014 11:51 AM, Jeff Crosby wrote:

I'm 99% sure the IP address 192.168.0.5 is not in use on our LAN, but
I want to be 100% sure.

I'm not sure this is the best way ... but give it a try.

First ping the IP. It may or may not respond.

Then run 'arp -a' to see if the IP is in the arp table. This should also tell you the mac address of the device so you can at least determine it's manufacturer and/or model.

david

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Re: Find out if an IP address is in use on the LAN , Jeff Crosby

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