TrellisWare Technologies, Inc.

Any device whose MAC address begins with 00:1E:3F has a network interface built by TrellisWare Technologies, 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

00:1E:3F

Organization

TrellisWare Technologies, Inc.

Address

16516 Via Esprillo, Suite 300 San Diego CA US 92127

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.