OPTICAL ACCESS INTERNATIONAL

Any device whose MAC address begins with 00:E0:65 has a network interface built by OPTICAL ACCESS INTERNATIONAL. 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:E0:65

Organization

OPTICAL ACCESS INTERNATIONAL

Address

500 WEST CUMMINGS PL. #3400 WOBURN MA US 01801

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.