Who owns MAC prefix 8C593C4?

8C593C4 is registered to Guralp Systems Limited in the IEEE MA-M registry.

What devices use 8C593C4?

Any network device with a MAC address starting 8C:59:3C:4 was manufactured by or for Guralp Systems Limited.

MA-M · OUI prefix

Guralp Systems Limited

Any MAC address starting 8C:59:3C:4 is registered to Guralp Systems Limited.

OUI prefix	8C593C4
Vendor	Guralp Systems Limited
Registry	MA-M (28-bit, medium block)
Example MAC	8C:59:3C:4:00:00:00

What this means

The IEEE assigned the MA-M block 8C593C4 to Guralp Systems Limited. 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 8C:59:3C:4, it is Guralp Systems Limited hardware.

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