Who owns MAC prefix 645563?

645563 is registered to Q-Free America, Inc. in the IEEE MA-L registry.

What devices use 645563?

Any network device with a MAC address starting 64:55:63 was manufactured by or for Q-Free America, Inc..

MA-L · OUI prefix

Q-Free America, Inc.

Any MAC address starting 64:55:63 is registered to Q-Free America, Inc. in US.

OUI prefix	645563
Vendor	Q-Free America, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	64:55:63:00:00:00

What this means

The IEEE assigned the MA-L block 645563 to Q-Free America, 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 64:55:63, it is Q-Free America, Inc. hardware.

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