Who owns MAC prefix 644D70?

644D70 is registered to dSPACE GmbH in the IEEE MA-L registry.

What devices use 644D70?

Any network device with a MAC address starting 64:4D:70 was manufactured by or for dSPACE GmbH.

MA-L · OUI prefix

dSPACE GmbH

Any MAC address starting 64:4D:70 is registered to dSPACE GmbH in DE.

OUI prefix	644D70
Vendor	dSPACE GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	64:4D:70:00:00:00

What this means

The IEEE assigned the MA-L block 644D70 to dSPACE GmbH. 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 64:4D:70, it is dSPACE GmbH hardware.

Look up another MAC