What this means
The IEEE assigned the MA-L block 04DF69 to Car Connectivity Consortium. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 04:DF:69, it is Car Connectivity Consortium hardware.
Frequently Asked Questions
Who owns MAC prefix 04DF69?
04DF69 is registered to Car Connectivity Consortium in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Car Connectivity Consortium's block covers 16,777,216 addresses.
What devices use 04DF69?
Any network device with a MAC address starting 04:DF:69 was manufactured by or for Car Connectivity Consortium.