Infraeo Inc

Any device whose MAC address begins with 74:D5:B8 has a network interface built by Infraeo Inc. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

74:D5:B8

Organization

Infraeo Inc

Address

101 E Old Settlers Blvd #160 Round Rock TX US 78664

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.