Who owns MAC prefix 00D0A3?

00D0A3 is registered to VOCAL DATA, INC. in the IEEE MA-L registry.

What devices use 00D0A3?

Any network device with a MAC address starting 00:D0:A3 was manufactured by or for VOCAL DATA, INC..

MA-L · OUI prefix

VOCAL DATA, INC.

Any MAC address starting 00:D0:A3 is registered to VOCAL DATA, INC. in US.

OUI prefix	00D0A3
Vendor	VOCAL DATA, INC.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:D0:A3:00:00:00

What this means

The IEEE assigned the MA-L block 00D0A3 to VOCAL DATA, 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:D0:A3, it is VOCAL DATA, INC. hardware.

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