Microstep-MIS spol. s r.o.

Any device whose MAC address begins with DC:1D:D4 has a network interface built by Microstep-MIS spol. s r.o.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

DC:1D:D4

Organization

Microstep-MIS spol. s r.o.

Address

Cavojskeho 1 Bratislava SK 84104

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.