Who owns MAC prefix 20F83B?

20F83B is registered to Nabu Casa, Inc. in the IEEE MA-L registry.

What devices use 20F83B?

Any network device with a MAC address starting 20:F8:3B was manufactured by or for Nabu Casa, Inc..

MA-L · OUI prefix

Nabu Casa, Inc.

Any MAC address starting 20:F8:3B is registered to Nabu Casa, Inc. in US.

OUI prefix	20F83B
Vendor	Nabu Casa, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	20:F8:3B:00:00:00

What this means

The IEEE assigned the MA-L block 20F83B to Nabu Casa, Inc.. 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 20:F8:3B, it is Nabu Casa, Inc. hardware.

Look up another MAC