iRex Technologies BV

Any device whose MAC address begins with 00:16:7C has a network interface built by iRex Technologies 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

00:16:7C

Organization

iRex Technologies BV

Address

HighTech Campus Eindhoven Brabant NL 5656AE

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.