E3 Technology, Inc.

Any device whose MAC address begins with 44:2A:FF has a network interface built by E3 Technology, 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

44:2A:FF

Organization

E3 Technology, Inc.

Address

Martell-house 2F, 2-28-3 Sekimachi-Kita, Nerima-ku Tokyo JP 177-0051

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.