snom technology GmbH

Any device whose MAC address begins with 1C:71:26 has a network interface built by snom technology 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

1C:71:26

Organization

snom technology GmbH

Address

Aroser Allee 66 Berlin DE 13407

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.