Who owns MAC prefix 88C9B39?

88C9B39 is registered to Richbeam (Beijing) Technology Co., Ltd. in the IEEE MA-M registry.

What devices use 88C9B39?

Any network device with a MAC address starting 88:C9:B3:9 was manufactured by or for Richbeam (Beijing) Technology Co., Ltd..

MA-M · OUI prefix

Richbeam (Beijing) Technology Co., Ltd.

Any MAC address starting 88:C9:B3:9 is registered to Richbeam (Beijing) Technology Co., Ltd. in CN.

OUI prefix	88C9B39
Vendor	Richbeam (Beijing) Technology Co., Ltd.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	88:C9:B3:9:00:00:00

What this means

The IEEE assigned the MA-M block 88C9B39 to Richbeam (Beijing) 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 88:C9:B3:9, it is Richbeam (Beijing) Technology Co., Ltd. hardware.

Look up another MAC