Siemens AG
Any device whose MAC address begins with EC:1C:5D has a network interface built by Siemens AG. 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:1C:5D
- Organization
- Siemens AG
- Address
- Werner-von-Siemens-Str. 50 Amberg DE 92224
- 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.