EUI-64
From Teknologisk videncenter
EUI-64
EUI-64[1] or Extended Unique Identifier is a 64 bit Global Identifier administered by IEEE[2] FireWire[3] and in IPv6 as least significant 64 bits in Link-Local and Global Unicast if Stateless Autoconfiguration. (Except Systems that will choice a Random page fx. Windows 7)
EUI-48
EUI-48[4] or Extended Unique Identifier is a 48 bit Global Identifier administered by IEEE[5]. Ethernet MAC addresses is a example of EUI-48 usage. Other examples of technologies that use EUI-48 are Bluetooth and 802.11 Wireless Networks.