Who owns MAC prefix 00A073?

00A073 is registered to COM21, INC. in the IEEE MA-L registry.

What devices use 00A073?

Any network device with a MAC address starting 00:A0:73 was manufactured by or for COM21, INC..

MA-L · OUI prefix

COM21, INC.

Any MAC address starting 00:A0:73 is registered to COM21, INC. in US.

OUI prefix	00A073
Vendor	COM21, INC.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:A0:73:00:00:00

What this means

The IEEE assigned the MA-L block 00A073 to COM21, 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:A0:73, it is COM21, INC. hardware.

Look up another MAC