Who owns MAC prefix 004089?

004089 is registered to MEIDENSHA CORPORATION in the IEEE MA-L registry.

What devices use 004089?

Any network device with a MAC address starting 00:40:89 was manufactured by or for MEIDENSHA CORPORATION.

MA-L · OUI prefix

MEIDENSHA CORPORATION

Any MAC address starting 00:40:89 is registered to MEIDENSHA CORPORATION in JP.

OUI prefix	004089
Vendor	MEIDENSHA CORPORATION
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:40:89:00:00:00

What this means

The IEEE assigned the MA-L block 004089 to MEIDENSHA CORPORATION. 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 00:40:89, it is MEIDENSHA CORPORATION hardware.

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