Who owns MAC prefix 00C031?

00C031 is registered to DESIGN RESEARCH SYSTEMS, INC. in the IEEE MA-L registry.

What devices use 00C031?

Any network device with a MAC address starting 00:C0:31 was manufactured by or for DESIGN RESEARCH SYSTEMS, INC..

MA-L · OUI prefix

DESIGN RESEARCH SYSTEMS, INC.

Any MAC address starting 00:C0:31 is registered to DESIGN RESEARCH SYSTEMS, INC. in US.

OUI prefix	00C031
Vendor	DESIGN RESEARCH SYSTEMS, INC.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:C0:31:00:00:00

What this means

The IEEE assigned the MA-L block 00C031 to DESIGN RESEARCH SYSTEMS, 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 00:C0:31, it is DESIGN RESEARCH SYSTEMS, INC. hardware.

Look up another MAC