MetaSwitch

Any device whose MAC address begins with 00:13:3E has a network interface built by MetaSwitch. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:13:3E

Organization

MetaSwitch

Address

1411 Harbor Bay Parkway Alameda CA US 94502

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.