The EUI-64 The Interface ID, the last 64 bits of an IPv6 address, can be an EUI-64 or a random number.
{"Image DocumentName": "The EUI-64The Interface ID, the last 64 bits of an IPv6 address, can be an EUI-64 or a random number.", "Image ImageDescription": "The IEEE defined 64-bit global identifier (EUI-64) is assigned by a manufacturer that has been assigned a company_id value by the IEEE Registration Authority. The IEEE administers the assignment of 24-bit company_id values. See  The EUI-64 is used as a name in LANs to switch traffic to the right device.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}