Theobroma Systems GmbH

Any device whose MAC address begins with 98:02:84 has a network interface built by Theobroma Systems 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

98:02:84

Organization

Theobroma Systems GmbH

Address

Gutheil-Schoder Gasse 17 Wien US 1230

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.