Omega Engineering Inc.

Any device whose MAC address begins with 00:03:34 has a network interface built by Omega Engineering 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

00:03:34

Organization

Omega Engineering Inc.

Address

800 Connecticut Ave. Suite 5N01, Norwalk CT US 06854

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.