Who owns MAC prefix 02CF1C?

02CF1C is registered to Communication Machinery Corporation in the IEEE MA-L registry.

What devices use 02CF1C?

Any network device with a MAC address starting 02:CF:1C was manufactured by or for Communication Machinery Corporation.

MA-L · OUI prefix

Communication Machinery Corporation

Any MAC address starting 02:CF:1C is registered to Communication Machinery Corporation in US.

OUI prefix	02CF1C
Vendor	Communication Machinery Corporation
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	02:CF:1C:00:00:00

What this means

The IEEE assigned the MA-L block 02CF1C to Communication Machinery Corporation. 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 02:CF:1C, it is Communication Machinery Corporation hardware.

Other Communication Machinery Corporation prefixes

Communication Machinery Corporation holds 3 registered blocks in total.

000B16 00CF1C

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