[Dshield] MAC address registry?

Jeff Godin jeff at tcnet.org
Tue Sep 23 21:27:54 GMT 2003

On Tue, 23 Sep 2003, Josh Tolley wrote:

> I've seen people post practicals and things
> telling about how they found what brands different routers and things
> were based on MAC address -- where do I go to look that stuff up? Google
> didn't return anything immediately apparent, though I'm going to keep
> looking... Thanks in advance.


The first half of an IEEE 802-series standard MAC address is the
Organizationally Unique Identifier.

Look them up or download the latest copy here:

For an OUI FAQ, see http://standards.ieee.org/faqs/OUI.html

A lot of software uses this information, or this combined with other
supplemental information when telling you what manufacturer claims the MAC
address you see on your network (Ethereal, many others).


Jeff Godin
Network Specialist
Traverse Area District Library / Traverse Community Network
jeff at tcnet.org

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