What this means
The IEEE assigned the MA-M block 78D4F1B to Jiangsu byzoro intelligent technology 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:D4:F1:B, it is Jiangsu byzoro intelligent technology Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 78D4F1B?
78D4F1B is registered to Jiangsu byzoro intelligent technology 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. Jiangsu byzoro intelligent technology Co.,Ltd's block covers 1,048,576 addresses.
What devices use 78D4F1B?
Any network device with a MAC address starting 78:D4:F1:B was manufactured by or for Jiangsu byzoro intelligent technology Co.,Ltd.