What this means
The IEEE assigned the MA-L block 8C8F8B to China Mobile Chongqing branch. 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 8C:8F:8B, it is China Mobile Chongqing branch hardware.
Frequently Asked Questions
Who owns MAC prefix 8C8F8B?
8C8F8B is registered to China Mobile Chongqing branch 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. China Mobile Chongqing branch's block covers 16,777,216 addresses.
What devices use 8C8F8B?
Any network device with a MAC address starting 8C:8F:8B was manufactured by or for China Mobile Chongqing branch.