Who owns MAC prefix 00407C?

00407C is registered to QUME CORPORATION in the IEEE MA-L registry.

What devices use 00407C?

Any network device with a MAC address starting 00:40:7C was manufactured by or for QUME CORPORATION.

MA-L · OUI prefix

QUME CORPORATION

Any MAC address starting 00:40:7C is registered to QUME CORPORATION in US.

OUI prefix	00407C
Vendor	QUME CORPORATION
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:40:7C:00:00:00

What this means

The IEEE assigned the MA-L block 00407C to QUME 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 00:40:7C, it is QUME CORPORATION hardware.

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