What this means
The IEEE assigned the MA-M block 807B857 to Chendu Ningshui 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 80:7B:85:7, it is Chendu Ningshui Technology Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 807B857?
807B857 is registered to Chendu Ningshui 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. Chendu Ningshui Technology Co.,Ltd's block covers 1,048,576 addresses.
What devices use 807B857?
Any network device with a MAC address starting 80:7B:85:7 was manufactured by or for Chendu Ningshui Technology Co.,Ltd.