AUMOVIO Systems Romania S.R.L.

Any device whose MAC address begins with D4:00:CA has a network interface built by AUMOVIO Systems Romania S.R.L.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

D4:00:CA

Organization

AUMOVIO Systems Romania S.R.L.

Address

Str. Salzburg Nr. 8, 550018 Sibiu Sibiu RO 550018

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.