PT Inovação e Sistemas SA

Any device whose MAC address begins with CC:19:A8 has a network interface built by PT Inovação e Sistemas SA. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

CC:19:A8

Organization

PT Inovação e Sistemas SA

Address

Rua Eng. José Ferreira Pinto Basto Aveiro Aveiro PT 3810-106

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.