Who owns MAC prefix 000043?

000043 is registered to MICRO TECHNOLOGY in the IEEE MA-L registry.

What devices use 000043?

Any network device with a MAC address starting 00:00:43 was manufactured by or for MICRO TECHNOLOGY.

MA-L · OUI prefix

MICRO TECHNOLOGY

Any MAC address starting 00:00:43 is registered to MICRO TECHNOLOGY in US.

OUI prefix	000043
Vendor	MICRO TECHNOLOGY
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:00:43:00:00:00

What this means

The IEEE assigned the MA-L block 000043 to MICRO TECHNOLOGY. 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 00:00:43, it is MICRO TECHNOLOGY hardware.

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