Who owns MAC prefix 641A22?

641A22 is registered to Heliospectra AB in the IEEE MA-L registry.

What devices use 641A22?

Any network device with a MAC address starting 64:1A:22 was manufactured by or for Heliospectra AB.

MA-L · OUI prefix

Heliospectra AB

Any MAC address starting 64:1A:22 is registered to Heliospectra AB.

OUI prefix	641A22
Vendor	Heliospectra AB
Registry	MA-L (24-bit, large block)
Example MAC	64:1A:22:00:00:00

What this means

The IEEE assigned the MA-L block 641A22 to Heliospectra AB. 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 64:1A:22, it is Heliospectra AB hardware.

Look up another MAC