Who owns MAC prefix B8259A?

B8259A is registered to Thalmic Labs in the IEEE MA-L registry.

What devices use B8259A?

Any network device with a MAC address starting B8:25:9A was manufactured by or for Thalmic Labs.

MA-L · OUI prefix

Thalmic Labs

Any MAC address starting B8:25:9A is registered to Thalmic Labs.

OUI prefix	B8259A
Vendor	Thalmic Labs
Registry	MA-L (24-bit, large block)
Example MAC	B8:25:9A:00:00:00

What this means

The IEEE assigned the MA-L block B8259A to Thalmic Labs. 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 B8:25:9A, it is Thalmic Labs hardware.

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