Getting MAC address to tell you the manufacture of NIC card.

equipFromMac.sh

# Step 1.
#   Download the ieee list of Organizationally Unique Identifier (OUI)
#   for all MAC addresses.
#
#      wget http://standards.ieee.org/develop/regauth/oui/oui.txt

# Step 2.
#   Run the following script to see the hardware on your system.

arp -a|awk '{print $4}'|tr '[:lower:]' '[:upper:]'|awk 'BEGIN{FS=":"}{cmd=sprintf("grep \"%s-%s-%s\" oui.txt",$1,$2,$3); cmd|getline D; close(cmd); print D}'