What devices use B820E7?

Any network device with a MAC address starting B8:20:E7 was manufactured by or for Guangzhou Horizontal Information & Network Integration Co. Ltd.

MA-L · OUI prefix

Guangzhou Horizontal Information & Network Integration Co. Ltd

Q: Who owns MAC prefix B820E7?

B820E7 is registered to Guangzhou Horizontal Information & Network Integration Co. Ltd in the IEEE MA-L registry.

Any MAC address starting B8:20:E7 is registered to Guangzhou Horizontal Information & Network Integration Co. Ltd in CN.

OUI prefix	B820E7
Vendor	Guangzhou Horizontal Information & Network Integration Co. Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	B8:20:E7:00:00:00

What this means

The IEEE assigned the MA-L block B820E7 to Guangzhou Horizontal Information & Network Integration 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 B8:20:E7, it is Guangzhou Horizontal Information & Network Integration Co. Ltd hardware.

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