How To Know If Mac Address Is Attached To Wireless Card Or Ethernet Card?

I'm performing network monitoring with a software developed by my company. For each machine, I have the mac address of the card used to connect to the network. I'm looking for a wa

Solution 1:

This is the canonical list of NIC vendors: http://standards.ieee.org/develop/regauth/oui/oui.txt

You could use this list to get the vendor from a MAC address, then make some educated guesses. For example, Atmel makes mostly Wireless NICs.