Proxis, spol. s r.o.

Any device whose MAC address begins with D8:4F:37 has a network interface built by Proxis, 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

D8:4F:37

Organization

Proxis, spol. s r.o.

Address

Slovenska 1 Bardejov PSK SK 08501

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.