What this means
The IEEE assigned the MA-L block B46077 to Sichuan Changhong Electric 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 B4:60:77, it is Sichuan Changhong Electric Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix B46077?
B46077 is registered to Sichuan Changhong Electric 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. Sichuan Changhong Electric Ltd.'s block covers 16,777,216 addresses.
What devices use B46077?
Any network device with a MAC address starting B4:60:77 was manufactured by or for Sichuan Changhong Electric Ltd..