What this means
The IEEE assigned the MA-M block 78E996B to CelAudio (Beijing) Technology Inc. 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:E9:96:B, it is CelAudio (Beijing) Technology Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 78E996B?
78E996B is registered to CelAudio (Beijing) Technology Inc 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. CelAudio (Beijing) Technology Inc's block covers 1,048,576 addresses.
What devices use 78E996B?
Any network device with a MAC address starting 78:E9:96:B was manufactured by or for CelAudio (Beijing) Technology Inc.