Scripts for Looking up OUIs or Vendor information from MAC addresses
Note that the Windows version uses c:\utils for both the script and the downloaded text file The Linux version downloads the text file to $HOME/Downloads, the script can reside anywhere
Edit the script you are using if these directories are not desirable in your situation
More details at:
https://isc.sans.edu/diary/Mining+MAC+Address+and+OUI+Information/25360
and
https://isc.sans.edu/forums/diary/Mining+Live+Networks+for+OUI+Data+Oddness/25404/
Enjoy!