Activetelco

Any device whose MAC address begins with 00:01:DC has a network interface built by Activetelco. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:01:DC

Organization

Activetelco

Address

43222 Christy Street Fremont CA US 94538

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.