Siemens Home & Office Comm. Devices

Any device whose MAC address begins with 00:0B:23 has a network interface built by Siemens Home & Office Comm. Devices. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:0B:23

Organization

Siemens Home & Office Comm. Devices

Address

4849 Alpha Road Dallas US 74244

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.