Helmer Scientific

Any device whose MAC address begins with 4C:D7:B6 has a network interface built by Helmer Scientific. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

4C:D7:B6

Organization

Helmer Scientific

Address

14400 Bergen Boulevard Noblesville Indiana US 46060

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.