Who owns MAC prefix FC3876?

FC3876 is registered to Forum Communication Systems, Inc in the IEEE MA-L registry.

What devices use FC3876?

Any network device with a MAC address starting FC:38:76 was manufactured by or for Forum Communication Systems, Inc.

MA-L · OUI prefix

Forum Communication Systems, Inc

Any MAC address starting FC:38:76 is registered to Forum Communication Systems, Inc in US.

OUI prefix	FC3876
Vendor	Forum Communication Systems, Inc
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	FC:38:76:00:00:00

What this means

The IEEE assigned the MA-L block FC3876 to Forum Communication Systems, Inc. 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 FC:38:76, it is Forum Communication Systems, Inc hardware.

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