Who owns MAC prefix A8D409?

A8D409 is registered to USA 111 Inc in the IEEE MA-L registry.

What devices use A8D409?

Any network device with a MAC address starting A8:D4:09 was manufactured by or for USA 111 Inc.

MA-L · OUI prefix

USA 111 Inc

Any MAC address starting A8:D4:09 is registered to USA 111 Inc in US.

OUI prefix	A8D409
Vendor	USA 111 Inc
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	A8:D4:09:00:00:00

What this means

The IEEE assigned the MA-L block A8D409 to USA 111 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 A8:D4:09, it is USA 111 Inc hardware.

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