Who owns MAC prefix 74FF7D?

74FF7D is registered to Wren Sound Systems, LLC in the IEEE MA-L registry.

What devices use 74FF7D?

Any network device with a MAC address starting 74:FF:7D was manufactured by or for Wren Sound Systems, LLC.

MA-L · OUI prefix

Wren Sound Systems, LLC

Any MAC address starting 74:FF:7D is registered to Wren Sound Systems, LLC in US.

OUI prefix	74FF7D
Vendor	Wren Sound Systems, LLC
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	74:FF:7D:00:00:00

What this means

The IEEE assigned the MA-L block 74FF7D to Wren Sound Systems, LLC. 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 74:FF:7D, it is Wren Sound Systems, LLC hardware.

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