DKT A/S

Any device whose MAC address begins with 00:19:9F has a network interface built by DKT 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

00:19:9F

Organization

DKT A/S

Address

Fanoevej 6 Kr. Saaby DK DK-4060

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.