an unknown ip on network

Posted by Ahmed safan on Server Fault See other posts from Server Fault or by Ahmed safan
Published on 2012-12-08T23:41:39Z Indexed on 2012/12/09 5:06 UTC
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In our office we have many PCs, all of them have static IP addresses.
We had a problem with one server with ip 192.168.1.10 dropping off the network occasionally. I unplugged the network cable from the server and from pinged 192.168.1.10 from another host and there was a response.

I searched all PCs to see if any has such ip but i didn't found a one. I changed the server ip to fix the problem, but I still find this rogue device using 192.168.1.10 on the network -- how can I figure out what it is?
Could it be the ip of virtual machine on someone's PC?

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