Turkcell Teknoloji

Any device whose MAC address begins with 4C:55:B8 has a network interface built by Turkcell Teknoloji. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

4C:55:B8

Organization

Turkcell Teknoloji

Address

TUBITAK MAM Teknoloji Serbest Bolgesi Gebze Kocaeli TR 41470

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.