Who owns MAC prefix 4C93A65?

4C93A65 is registered to Fastenal IP Company in the IEEE MA-M registry.

What devices use 4C93A65?

Any network device with a MAC address starting 4C:93:A6:5 was manufactured by or for Fastenal IP Company.

MA-M · OUI prefix

Fastenal IP Company

Any MAC address starting 4C:93:A6:5 is registered to Fastenal IP Company in US.

OUI prefix	4C93A65
Vendor	Fastenal IP Company
Registry	MA-M (28-bit, medium block)
Country	US
Example MAC	4C:93:A6:5:00:00:00

What this means

The IEEE assigned the MA-M block 4C93A65 to Fastenal IP Company. 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 4C:93:A6:5, it is Fastenal IP Company hardware.

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