Who owns MAC prefix 00074B?

00074B is registered to Daihen Corporation in the IEEE MA-L registry.

What devices use 00074B?

Any network device with a MAC address starting 00:07:4B was manufactured by or for Daihen Corporation.

MA-L · OUI prefix

Daihen Corporation

Any MAC address starting 00:07:4B is registered to Daihen Corporation in JP.

OUI prefix	00074B
Vendor	Daihen Corporation
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:07:4B:00:00:00

What this means

The IEEE assigned the MA-L block 00074B to Daihen 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 00:07:4B, it is Daihen Corporation hardware.

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