Who owns MAC prefix 20C3A4?

20C3A4 is registered to RetailNext in the IEEE MA-L registry.

What devices use 20C3A4?

Any network device with a MAC address starting 20:C3:A4 was manufactured by or for RetailNext.

MA-L · OUI prefix

RetailNext

Any MAC address starting 20:C3:A4 is registered to RetailNext in US.

OUI prefix	20C3A4
Vendor	RetailNext
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	20:C3:A4:00:00:00

What this means

The IEEE assigned the MA-L block 20C3A4 to RetailNext. 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:C3:A4, it is RetailNext hardware.

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