Who owns MAC prefix 000C5F?

000C5F is registered to Avtec, Inc. in the IEEE MA-L registry.

What devices use 000C5F?

Any network device with a MAC address starting 00:0C:5F was manufactured by or for Avtec, Inc..

MA-L · OUI prefix

Avtec, Inc.

Any MAC address starting 00:0C:5F is registered to Avtec, Inc. in US.

OUI prefix	000C5F
Vendor	Avtec, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:0C:5F:00:00:00

What this means

The IEEE assigned the MA-L block 000C5F to Avtec, 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 00:0C:5F, it is Avtec, Inc. hardware.

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