Kemppi Oy

Any device whose MAC address begins with EC:A2:9B has a network interface built by Kemppi Oy. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

EC:A2:9B

Organization

Kemppi Oy

Address

Kempinkatu 1 Lahti Lahti FI 15810

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.