Who owns MAC prefix A4DA220?

A4DA220 is registered to General Electric Company in the IEEE MA-M registry.

What devices use A4DA220?

Any network device with a MAC address starting A4:DA:22:0 was manufactured by or for General Electric Company.

MA-M · OUI prefix

General Electric Company

Any MAC address starting A4:DA:22:0 is registered to General Electric Company in MX.

OUI prefix	A4DA220
Vendor	General Electric Company
Registry	MA-M (28-bit, medium block)
Country	MX
Example MAC	A4:DA:22:0:00:00:00

What this means

The IEEE assigned the MA-M block A4DA220 to General Electric Company. 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 A4:DA:22:0, it is General Electric Company hardware.

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