Who owns MAC prefix 00057F?

00057F is registered to Acqis Technology in the IEEE MA-L registry.

What devices use 00057F?

Any network device with a MAC address starting 00:05:7F was manufactured by or for Acqis Technology.

MA-L · OUI prefix

Acqis Technology

Any MAC address starting 00:05:7F is registered to Acqis Technology in US.

OUI prefix	00057F
Vendor	Acqis Technology
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:05:7F:00:00:00

What this means

The IEEE assigned the MA-L block 00057F to Acqis 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 00:05:7F, it is Acqis Technology hardware.

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