Who owns MAC prefix CC3F1D?

CC3F1D is registered to HMS Industrial Networks SLU in the IEEE MA-L registry.

What devices use CC3F1D?

Any network device with a MAC address starting CC:3F:1D was manufactured by or for HMS Industrial Networks SLU.

MA-L · OUI prefix

HMS Industrial Networks SLU

Any MAC address starting CC:3F:1D is registered to HMS Industrial Networks SLU in ES.

OUI prefix	CC3F1D
Vendor	HMS Industrial Networks SLU
Registry	MA-L (24-bit, large block)
Country	ES
Example MAC	CC:3F:1D:00:00:00

What this means

The IEEE assigned the MA-L block CC3F1D to HMS Industrial Networks SLU. 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:3F:1D, it is HMS Industrial Networks SLU hardware.

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