What this means
The IEEE assigned the MA-L block EC4654 to Apple, Inc.. 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 EC:46:54, it is Apple, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix EC4654?
EC4654 is registered to Apple, Inc. 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. Apple, Inc.'s block covers 16,777,216 addresses.
What devices use EC4654?
Any network device with a MAC address starting EC:46:54 was manufactured by or for Apple, Inc..