dSys

Any device whose MAC address begins with 00:18:79 has a network interface built by dSys. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:18:79

Organization

dSys

Address

Soeflinger Str. 100 Ulm BW DE 89077

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.