Who owns MAC prefix 00E066?

00E066 is registered to ProMax Systems, Inc. in the IEEE MA-L registry.

What devices use 00E066?

Any network device with a MAC address starting 00:E0:66 was manufactured by or for ProMax Systems, Inc..

MA-L · OUI prefix

ProMax Systems, Inc.

Any MAC address starting 00:E0:66 is registered to ProMax Systems, Inc. in US.

OUI prefix	00E066
Vendor	ProMax Systems, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:E0:66:00:00:00

What this means

The IEEE assigned the MA-L block 00E066 to ProMax Systems, 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:E0:66, it is ProMax Systems, Inc. hardware.

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