Who owns MAC prefix 646A74?

646A74 is registered to AUTH-SERVERS, LLC in the IEEE MA-L registry.

What devices use 646A74?

Any network device with a MAC address starting 64:6A:74 was manufactured by or for AUTH-SERVERS, LLC.

MA-L · OUI prefix

AUTH-SERVERS, LLC

Any MAC address starting 64:6A:74 is registered to AUTH-SERVERS, LLC in US.

OUI prefix	646A74
Vendor	AUTH-SERVERS, LLC
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	64:6A:74:00:00:00

What this means

The IEEE assigned the MA-L block 646A74 to AUTH-SERVERS, LLC. 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 64:6A:74, it is AUTH-SERVERS, LLC hardware.

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