Who owns MAC prefix 0021F5?

0021F5 is registered to Western Engravers Supply, Inc. in the IEEE MA-L registry.

What devices use 0021F5?

Any network device with a MAC address starting 00:21:F5 was manufactured by or for Western Engravers Supply, Inc..

MA-L · OUI prefix

Western Engravers Supply, Inc.

Any MAC address starting 00:21:F5 is registered to Western Engravers Supply, Inc. in US.

OUI prefix	0021F5
Vendor	Western Engravers Supply, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:21:F5:00:00:00

What this means

The IEEE assigned the MA-L block 0021F5 to Western Engravers Supply, 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 00:21:F5, it is Western Engravers Supply, Inc. hardware.

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