Who owns MAC prefix C4E733?

C4E733 is registered to Clear Align LLC in the IEEE MA-L registry.

What devices use C4E733?

Any network device with a MAC address starting C4:E7:33 was manufactured by or for Clear Align LLC.

MA-L · OUI prefix

Clear Align LLC

Any MAC address starting C4:E7:33 is registered to Clear Align LLC in US.

OUI prefix	C4E733
Vendor	Clear Align LLC
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	C4:E7:33:00:00:00

What this means

The IEEE assigned the MA-L block C4E733 to Clear Align 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 C4:E7:33, it is Clear Align LLC hardware.

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