Who owns MAC prefix 001F81?

001F81 is registered to Accel Semiconductor Corp in the IEEE MA-L registry.

What devices use 001F81?

Any network device with a MAC address starting 00:1F:81 was manufactured by or for Accel Semiconductor Corp.

MA-L · OUI prefix

Accel Semiconductor Corp

Any MAC address starting 00:1F:81 is registered to Accel Semiconductor Corp in CN.

OUI prefix	001F81
Vendor	Accel Semiconductor Corp
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	00:1F:81:00:00:00

What this means

The IEEE assigned the MA-L block 001F81 to Accel Semiconductor Corp. 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 00:1F:81, it is Accel Semiconductor Corp hardware.

Look up another MAC