Peco II, Inc.

Any device whose MAC address begins with 00:90:C1 has a network interface built by Peco II, 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

00:90:C1

Organization

Peco II, Inc.

Address

7060 Huntley Road Columbus OH US 43229

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.