AUMOVIO Czech Republic s.r.o.

Any device whose MAC address begins with 9C:28:BF has a network interface built by AUMOVIO Czech Republic 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

9C:28:BF

Organization

AUMOVIO Czech Republic s.r.o.

Address

Průmyslová 1851 Brandýs nad Labem CZ 250 01

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.