Who owns MAC prefix CC4F5C4?

CC4F5C4 is registered to Spark Biomedical in the IEEE MA-M registry.

What devices use CC4F5C4?

Any network device with a MAC address starting CC:4F:5C:4 was manufactured by or for Spark Biomedical.

MA-M · OUI prefix

Spark Biomedical

Any MAC address starting CC:4F:5C:4 is registered to Spark Biomedical in US.

OUI prefix	CC4F5C4
Vendor	Spark Biomedical
Registry	MA-M (28-bit, medium block)
Country	US
Example MAC	CC:4F:5C:4:00:00:00

What this means

The IEEE assigned the MA-M block CC4F5C4 to Spark Biomedical. 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 CC:4F:5C:4, it is Spark Biomedical hardware.

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