What devices use C09BF42?

Any network device with a MAC address starting C0:9B:F4:2 was manufactured by or for Hitachi High-Tech Materials Corporation.

MA-M · OUI prefix

Hitachi High-Tech Materials Corporation

Q: Who owns MAC prefix C09BF42?

C09BF42 is registered to Hitachi High-Tech Materials Corporation in the IEEE MA-M registry.

Any MAC address starting C0:9B:F4:2 is registered to Hitachi High-Tech Materials Corporation in JP.

OUI prefix	C09BF42
Vendor	Hitachi High-Tech Materials Corporation
Registry	MA-M (28-bit, medium block)
Country	JP
Example MAC	C0:9B:F4:2:00:00:00

What this means

The IEEE assigned the MA-M block C09BF42 to Hitachi High-Tech Materials 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 C0:9B:F4:2, it is Hitachi High-Tech Materials Corporation hardware.

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