What this means
The IEEE assigned the MA-M block 78CA83D to Hubei Boyuan Zhijia Network Media 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 78:CA:83:D, it is Hubei Boyuan Zhijia Network Media Co. Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 78CA83D?
78CA83D is registered to Hubei Boyuan Zhijia Network Media Co. Ltd. in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Hubei Boyuan Zhijia Network Media Co. Ltd.'s block covers 1,048,576 addresses.
What devices use 78CA83D?
Any network device with a MAC address starting 78:CA:83:D was manufactured by or for Hubei Boyuan Zhijia Network Media Co. Ltd..