ball-b GmbH Co KG

Any device whose MAC address begins with AC:04:25 has a network interface built by ball-b 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

AC:04:25

Organization

ball-b GmbH Co KG

Address

Saganer Strasse 14 Nuremberg Bavaria DE 90475

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.