Arcor AG&Co.

Any device whose MAC address begins with 00:0C:4C has a network interface built by Arcor AG&Co.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:0C:4C

Organization

Arcor AG&Co.

Address

Alfred-Herrhausen-Allee 1 Eschborn Hessen DE 65760

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.