Who owns MAC prefix A459D33?

A459D33 is registered to SoftEnergy Controls Inc. in the IEEE MA-M registry.

What devices use A459D33?

Any network device with a MAC address starting A4:59:D3:3 was manufactured by or for SoftEnergy Controls Inc..

MA-M · OUI prefix

SoftEnergy Controls Inc.

Any MAC address starting A4:59:D3:3 is registered to SoftEnergy Controls Inc. in JP.

OUI prefix	A459D33
Vendor	SoftEnergy Controls Inc.
Registry	MA-M (28-bit, medium block)
Country	JP
Example MAC	A4:59:D3:3:00:00:00

What this means

The IEEE assigned the MA-M block A459D33 to SoftEnergy Controls 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 A4:59:D3:3, it is SoftEnergy Controls Inc. hardware.

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