Telegartner Karl Gartner GmbH

Any device whose MAC address begins with 44:11:C2 has a network interface built by Telegartner Karl Gartner GmbH. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

44:11:C2

Organization

Telegartner Karl Gartner GmbH

Address

Lerchenstr. 35 Steinenbronn Baden-Wurttemberg DE 71144

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.