What this means
The IEEE assigned the MA-L block 74272C to Advanced Micro Devices, 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 74:27:2C, it is Advanced Micro Devices, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 74272C?
74272C is registered to Advanced Micro Devices, 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. Advanced Micro Devices, Inc.'s block covers 16,777,216 addresses.
What devices use 74272C?
Any network device with a MAC address starting 74:27:2C was manufactured by or for Advanced Micro Devices, Inc..