EUI-48 or EUI-64 Medium Access Control (MAC) address information lookup .
Ethernet interfaces, 802.11 wireless network interfaces,Bluetooth interfaces , ATM iterfaces, IEEE 802.5 token ring interfaces ,and FDDI interfaces are some of the devices that are using EUI-48 MAC addresses.
EUI-64 addresses are used among others in Firewire interfaces, IPv6 automatic interface addressing, and IEEE 802.15.4 - Zingbee addressing.