Who owns MAC prefix 000691?

000691 is registered to PT Inovacao in the IEEE MA-L registry.

What devices use 000691?

Any network device with a MAC address starting 00:06:91 was manufactured by or for PT Inovacao.

MA-L · OUI prefix

PT Inovacao

Any MAC address starting 00:06:91 is registered to PT Inovacao in PT.

OUI prefix	000691
Vendor	PT Inovacao
Registry	MA-L (24-bit, large block)
Country	PT
Example MAC	00:06:91:00:00:00

What this means

The IEEE assigned the MA-L block 000691 to PT Inovacao. 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 00:06:91, it is PT Inovacao hardware.

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