Philips Lighting BV

Any device whose MAC address begins with EC:B5:FA has a network interface built by Philips Lighting BV. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

EC:B5:FA

Organization

Philips Lighting BV

Address

High Tech Campus 45 Eindhoven Noord Brabant NL 5656 AE

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.