Who owns MAC prefix B065F1?

B065F1 is registered to WIO Manufacturing HK Limited in the IEEE MA-L registry.

What devices use B065F1?

Any network device with a MAC address starting B0:65:F1 was manufactured by or for WIO Manufacturing HK Limited.

MA-L · OUI prefix

WIO Manufacturing HK Limited

Any MAC address starting B0:65:F1 is registered to WIO Manufacturing HK Limited in HK.

OUI prefix	B065F1
Vendor	WIO Manufacturing HK Limited
Registry	MA-L (24-bit, large block)
Country	HK
Example MAC	B0:65:F1:00:00:00

What this means

The IEEE assigned the MA-L block B065F1 to WIO Manufacturing HK Limited. 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 B0:65:F1, it is WIO Manufacturing HK Limited hardware.

Look up another MAC