What this means
The IEEE assigned the MA-L block 7CBB6F to Cosco Electronics Co., Ltd.. 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 7C:BB:6F, it is Cosco Electronics Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 7CBB6F?
7CBB6F is registered to Cosco Electronics Co., Ltd. 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. Cosco Electronics Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 7CBB6F?
Any network device with a MAC address starting 7C:BB:6F was manufactured by or for Cosco Electronics Co., Ltd..