Xenya d.o.o.

Any device whose MAC address begins with 28:B0:CC has a network interface built by Xenya d.o.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

28:B0:CC

Organization

Xenya d.o.o.

Address

Celovska cesta 172 Ljubljana SI 1000

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.