What this means
The IEEE assigned the MA-L block C02C7A to Shenzhen Horn Audio 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 C0:2C:7A, it is Shenzhen Horn Audio Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix C02C7A?
C02C7A is registered to Shenzhen Horn Audio 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. Shenzhen Horn Audio Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use C02C7A?
Any network device with a MAC address starting C0:2C:7A was manufactured by or for Shenzhen Horn Audio Co.,Ltd..