Who owns MAC prefix F490CB3?

F490CB3 is registered to Ricker Lyman Robotic in the IEEE MA-M registry.

What devices use F490CB3?

Any network device with a MAC address starting F4:90:CB:3 was manufactured by or for Ricker Lyman Robotic.

MA-M · OUI prefix

Ricker Lyman Robotic

Any MAC address starting F4:90:CB:3 is registered to Ricker Lyman Robotic in US.

OUI prefix	F490CB3
Vendor	Ricker Lyman Robotic
Registry	MA-M (28-bit, medium block)
Country	US
Example MAC	F4:90:CB:3:00:00:00

What this means

The IEEE assigned the MA-M block F490CB3 to Ricker Lyman Robotic. 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 F4:90:CB:3, it is Ricker Lyman Robotic hardware.

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