Epicom, Inc.

Any device whose MAC address begins with 00:13:05 has a network interface built by Epicom, 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

00:13:05

Organization

Epicom, Inc.

Address

PO Box 24839 Oakland CA US 94623-1839

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.