define a network card manufacturer from a given MAC address

macfind

#!/bin/bash

EXPECTED_ARGS=1

if [ $# -ne $EXPECTED_ARGS ]
then
  echo "Usage: `basename $0` MAC_ADDRESS"
  exit 1
fi

if [ ! -f 'oui.txt' ]; then
        curl http://standards.ieee.org/develop/regauth/oui/oui.txt -o oui.txt
fi

grep `echo $1 | cut -d":" -f1,2,3 | sed 's/:/-/g'` oui.txt | cut -f3

exit 0