Who owns MAC prefix 001297?

001297 is registered to O2Micro, Inc. in the IEEE MA-L registry.

What devices use 001297?

Any network device with a MAC address starting 00:12:97 was manufactured by or for O2Micro, Inc..

MA-L · OUI prefix

O2Micro, Inc.

Any MAC address starting 00:12:97 is registered to O2Micro, Inc. in US.

OUI prefix	001297
Vendor	O2Micro, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:12:97:00:00:00

What this means

The IEEE assigned the MA-L block 001297 to O2Micro, 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 00:12:97, it is O2Micro, Inc. hardware.

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