Avira Operations GmbH & Co. KG

Any device whose MAC address begins with A8:D4:98 has a network interface built by Avira Operations GmbH & Co. KG. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

A8:D4:98

Organization

Avira Operations GmbH & Co. KG

Address

Kaplaneiweg 1 Tettnang Baden-Wuerttermberg DE 88069

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.