Who owns MAC prefix 44C306?

44C306 is registered to SIFROM Inc. in the IEEE MA-L registry.

What devices use 44C306?

Any network device with a MAC address starting 44:C3:06 was manufactured by or for SIFROM Inc..

MA-L · OUI prefix

SIFROM Inc.

Any MAC address starting 44:C3:06 is registered to SIFROM Inc. in US.

OUI prefix	44C306
Vendor	SIFROM Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	44:C3:06:00:00:00

What this means

The IEEE assigned the MA-L block 44C306 to SIFROM 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 44:C3:06, it is SIFROM Inc. hardware.

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