Who owns MAC prefix E438F2?

E438F2 is registered to Advantage Controls in the IEEE MA-L registry.

What devices use E438F2?

Any network device with a MAC address starting E4:38:F2 was manufactured by or for Advantage Controls.

MA-L · OUI prefix

Advantage Controls

Any MAC address starting E4:38:F2 is registered to Advantage Controls in US.

OUI prefix	E438F2
Vendor	Advantage Controls
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	E4:38:F2:00:00:00

What this means

The IEEE assigned the MA-L block E438F2 to Advantage Controls. 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 E4:38:F2, it is Advantage Controls hardware.

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