Danish Interpretation Systems A/S

Any device whose MAC address begins with E4:67:BA has a network interface built by Danish Interpretation Systems A/S. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

E4:67:BA

Organization

Danish Interpretation Systems A/S

Address

Vestre Teglgade 12 Copenhagen SV DK 2450

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.