Who owns MAC prefix 109AB9?

109AB9 is registered to Tosibox Oy in the IEEE MA-L registry.

What devices use 109AB9?

Any network device with a MAC address starting 10:9A:B9 was manufactured by or for Tosibox Oy.

MA-L · OUI prefix

Tosibox Oy

Any MAC address starting 10:9A:B9 is registered to Tosibox Oy in FI.

OUI prefix	109AB9
Vendor	Tosibox Oy
Registry	MA-L (24-bit, large block)
Country	FI
Example MAC	10:9A:B9:00:00:00

What this means

The IEEE assigned the MA-L block 109AB9 to Tosibox Oy. 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 10:9A:B9, it is Tosibox Oy hardware.

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