Weinmann Geräte für Medizin GmbH + Co. KG

Any device whose MAC address begins with 48:91:53 has a network interface built by Weinmann Geräte für Medizin 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

48:91:53

Organization

Weinmann Geräte für Medizin GmbH + Co. KG

Address

Kronsaalsweg 40 Hamburg DE D-22525

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.