Who owns MAC prefix 001681?

001681 is registered to Vector Informatik GmbH in the IEEE MA-L registry.

What devices use 001681?

Any network device with a MAC address starting 00:16:81 was manufactured by or for Vector Informatik GmbH.

MA-L · OUI prefix

Vector Informatik GmbH

Any MAC address starting 00:16:81 is registered to Vector Informatik GmbH in DE.

OUI prefix	001681
Vendor	Vector Informatik GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:16:81:00:00:00

What this means

The IEEE assigned the MA-L block 001681 to Vector Informatik 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 00:16:81, it is Vector Informatik GmbH hardware.

Look up another MAC