GLITEL Stropkov, s.r.o.

Any device whose MAC address begins with A4:D3:B5 has a network interface built by GLITEL Stropkov, 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

A4:D3:B5

Organization

GLITEL Stropkov, s.r.o.

Address

Cintorinska 557/73 Stropkov SK 09101

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.