PLDS

Any device whose MAC address begins with 34:B5:71 has a network interface built by PLDS. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

34:B5:71

Organization

PLDS

Address

Schanzenfeldstrasse 2 Wetzlar Hessen DE 35578

Source

IEEE OUI registry

Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.