Who owns MAC prefix 587A4D?

587A4D is registered to Stonesoft Corporation in the IEEE MA-L registry.

What devices use 587A4D?

Any network device with a MAC address starting 58:7A:4D was manufactured by or for Stonesoft Corporation.

MA-L · OUI prefix

Stonesoft Corporation

Any MAC address starting 58:7A:4D is registered to Stonesoft Corporation in FI.

OUI prefix	587A4D
Vendor	Stonesoft Corporation
Registry	MA-L (24-bit, large block)
Country	FI
Example MAC	58:7A:4D:00:00:00

What this means

The IEEE assigned the MA-L block 587A4D to Stonesoft 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 58:7A:4D, it is Stonesoft Corporation hardware.

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