Philips Electronics Nederland BV

Any device whose MAC address begins with 1C:5A:6B has a network interface built by Philips Electronics Nederland 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

1C:5A:6B

Organization

Philips Electronics Nederland BV

Address

PO BOX 80045 Eindhoven NL 5600 JZ

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.