Who owns MAC prefix 000B3C?

000B3C is registered to Cygnal Integrated Products, Inc. in the IEEE MA-L registry.

What devices use 000B3C?

Any network device with a MAC address starting 00:0B:3C was manufactured by or for Cygnal Integrated Products, Inc..

MA-L · OUI prefix

Cygnal Integrated Products, Inc.

Any MAC address starting 00:0B:3C is registered to Cygnal Integrated Products, Inc. in US.

OUI prefix	000B3C
Vendor	Cygnal Integrated Products, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:0B:3C:00:00:00

What this means

The IEEE assigned the MA-L block 000B3C to Cygnal Integrated Products, 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 00:0B:3C, it is Cygnal Integrated Products, Inc. hardware.

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