Mystery MAC address

Christopher Morrow morrowc.lists at
Fri Jul 8 16:43:49 UTC 2022

mac addresses can be lies... and they can repeat... joy!

On Fri, Jul 8, 2022 at 12:22 PM JoeSox <joesox at> wrote:

> Hello,
> I have something I have never seen before and was wondering if anyone in
> the community has seen something like this?
> So some active directory accounts are getting locked intermittently and I
> had to do some sniffing and I have an IP address showing up in a non-used
> subnet 10.1.2.x
> And it shows an unrecognized MAC address. This virtual machine is in a
> Nutanix environment.
> I am trying to figure this out without bringing in paid outside help.
> Thanks in advance for any responses.
> c2:ea:e4:c5:57:e6
> is the MAC in question. I don't fully understand this request.
> is the mystery ip that doesn't ping, is the DC.
> AD Audit provides nonexistent machines making the requests and even blank.
> "User account 'Administrator' was locked from computer ''."
> [image: image.png]
> --
> Thank You,
> Joe
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