Who owns MAC prefix 2CFD37?

2CFD37 is registered to Blue Calypso, Inc. in the IEEE MA-L registry.

What devices use 2CFD37?

Any network device with a MAC address starting 2C:FD:37 was manufactured by or for Blue Calypso, Inc..

MA-L · OUI prefix

Blue Calypso, Inc.

Any MAC address starting 2C:FD:37 is registered to Blue Calypso, Inc. in US.

OUI prefix	2CFD37
Vendor	Blue Calypso, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	2C:FD:37:00:00:00

What this means

The IEEE assigned the MA-L block 2CFD37 to Blue Calypso, 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 2C:FD:37, it is Blue Calypso, Inc. hardware.

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