Penetration Testing: Re: What does a network having all identical MAC addresses mean?

[Orlin Gueorguiev <orlin () baturov com>]

they might be using some kind of a virtual interface. Can you pls post the mac 
address to check if it is a known one?
Can you be more specific about how the wifi hot spot works (vpn requered, 
etc?)

those 2 sites can help you find out to whom the macs are assigned:
http://standards.ieee.org/regauth/oui/index.shtml
http://coffer.com/mac_find/

Greetings,
Orlin

На Saturday 10 November 2007 23:49:29 Paul Greene написа:
> I was in a free wi-fi hotspot the other day and just for kicks ran an
> NMAP scan to see how many people were logged on.
>
> I noticed something peculiar though. Every IP address had identical MAC
> addresses. Is this some security thing the hotspot had going on? Or is
> it some kind of devious thing going on by one of the other customers in
> the hotspot?
>
> PG
>
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