What this means
The IEEE assigned the MA-L block 0012CF to Accton Technology Corp. 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 00:12:CF, it is Accton Technology Corp hardware.
Frequently Asked Questions
Who owns MAC prefix 0012CF?
0012CF is registered to Accton Technology Corp 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. Accton Technology Corp's block covers 16,777,216 addresses.
What devices use 0012CF?
Any network device with a MAC address starting 00:12:CF was manufactured by or for Accton Technology Corp.