Who owns MAC prefix 0021EE?

0021EE is registered to Full Spectrum Inc. in the IEEE MA-L registry.

What devices use 0021EE?

Any network device with a MAC address starting 00:21:EE was manufactured by or for Full Spectrum Inc..

MA-L · OUI prefix

Full Spectrum Inc.

Any MAC address starting 00:21:EE is registered to Full Spectrum Inc. in US.

OUI prefix	0021EE
Vendor	Full Spectrum Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:21:EE:00:00:00

What this means

The IEEE assigned the MA-L block 0021EE to Full Spectrum 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:EE, it is Full Spectrum Inc. hardware.

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