Stange devices appearing on the network

Hi Everyone,

I have an odd issue today that I need some help with. Attached is a screen shot showing some devices appearing in the network. There seem to be more and more added each day too.

 PC List
These devices do not appear to have been assigned an IP address or been registered in DNS.
I have asked the customer if they have plugged anything on the network which they do not think they have. I cannot ping any of these devices or open them in a web browser.

I would like to figure out where these are coming from but there is nothing in the event logs either.

Any ideas how I can track this down?

Thanks

Dave
TriumphLTDAsked:
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TriumphLTDConnect With a Mentor Author Commented:
I have managed to find the issue here. We had a consultant in who was running a VPN connection to thier own network which contains 300,000 machines! Now they have stopped these have gone. Thanks for your help though.
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Krzysztof PytkoSenior Active Directory EngineerCommented:
Try to run in command-line on a DC or server/workstation with Administrative/RSAT Tools installed

dsquery * -filter "&(&(objectClass=Computer)(objectCategory=Computer)(name=eu8f48c4j))" -attr distinguishedName,whenCreated,whenChanged

and check if domain does know anything about this object (looks like computer object)? Maybe some SMS/SCCM/WDS-like software pre-populated computer account within domain ?

Regards,
Krzysztof
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TriumphLTDAuthor Commented:
Correct solution
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