Who owns MAC prefix 4C93A6B?

4C93A6B is registered to Felten Electronics in the IEEE MA-M registry.

What devices use 4C93A6B?

Any network device with a MAC address starting 4C:93:A6:B was manufactured by or for Felten Electronics.

MA-M · OUI prefix

Felten Electronics

Any MAC address starting 4C:93:A6:B is registered to Felten Electronics in DE.

OUI prefix	4C93A6B
Vendor	Felten Electronics
Registry	MA-M (28-bit, medium block)
Country	DE
Example MAC	4C:93:A6:B:00:00:00

What this means

The IEEE assigned the MA-M block 4C93A6B to Felten Electronics. 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:B, it is Felten Electronics hardware.

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