Who owns MAC prefix 3C1A0F?

3C1A0F is registered to ClearSky Data in the IEEE MA-L registry.

What devices use 3C1A0F?

Any network device with a MAC address starting 3C:1A:0F was manufactured by or for ClearSky Data.

MA-L · OUI prefix

ClearSky Data

Any MAC address starting 3C:1A:0F is registered to ClearSky Data in US.

OUI prefix	3C1A0F
Vendor	ClearSky Data
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	3C:1A:0F:00:00:00

What this means

The IEEE assigned the MA-L block 3C1A0F to ClearSky Data. 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 3C:1A:0F, it is ClearSky Data hardware.

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