Who owns MAC prefix 00050F?

00050F is registered to Tanaka S/S Ltd. in the IEEE MA-L registry.

What devices use 00050F?

Any network device with a MAC address starting 00:05:0F was manufactured by or for Tanaka S/S Ltd..

MA-L · OUI prefix

Tanaka S/S Ltd.

Any MAC address starting 00:05:0F is registered to Tanaka S/S Ltd. in JP.

OUI prefix	00050F
Vendor	Tanaka S/S Ltd.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:05:0F:00:00:00

What this means

The IEEE assigned the MA-L block 00050F to Tanaka S/S Ltd.. 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 00:05:0F, it is Tanaka S/S Ltd. hardware.

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