Nokia Solutions and Networks GmbH & Co. KG

Any device whose MAC address begins with 28:74:F5 has a network interface built by Nokia Solutions and Networks GmbH & Co. KG. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

28:74:F5

Organization

Nokia Solutions and Networks GmbH & Co. KG

Address

Werinherstrasse 91 München Bavaria DE D-81541

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.