PMC-SIERRA, INC.

Any device whose MAC address begins with 00:E0:04 has a network interface built by PMC-SIERRA, 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:E0:04

Organization

PMC-SIERRA, INC.

Address

105-8555 BAXTER PLACE BURNABY, BC V5A 4V7 CA

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.