What devices use C8FFBF9?

Any network device with a MAC address starting C8:FF:BF:9 was manufactured by or for Shandong Wanshuo Optoelectronic Equipment Co.,Ltd.

MA-M · OUI prefix

Shandong Wanshuo Optoelectronic Equipment Co.,Ltd

Q: Who owns MAC prefix C8FFBF9?

C8FFBF9 is registered to Shandong Wanshuo Optoelectronic Equipment Co.,Ltd in the IEEE MA-M registry.

Any MAC address starting C8:FF:BF:9 is registered to Shandong Wanshuo Optoelectronic Equipment Co.,Ltd in CN.

OUI prefix	C8FFBF9
Vendor	Shandong Wanshuo Optoelectronic Equipment Co.,Ltd
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	C8:FF:BF:9:00:00:00

What this means

The IEEE assigned the MA-M block C8FFBF9 to Shandong Wanshuo Optoelectronic Equipment 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 C8:FF:BF:9, it is Shandong Wanshuo Optoelectronic Equipment Co.,Ltd hardware.

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