Polytec GmbH

Any device whose MAC address begins with 64:AE:88 has a network interface built by Polytec GmbH. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

64:AE:88

Organization

Polytec GmbH

Address

Polytec Platz 1-7 Waldbronn BW DE 76337

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.