Siemens AG ICM MP UC RD IT KLF1

Any device whose MAC address begins with 00:0D:41 has a network interface built by Siemens AG ICM MP UC RD IT KLF1. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:0D:41

Organization

Siemens AG ICM MP UC RD IT KLF1

Address

Suedstrasse 9 Kamp-Lintfort NRW DE 47475

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.