Open Infrastructure
Any device whose MAC address begins with 90:27:78 has a network interface built by Open Infrastructure. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.
- OUI prefix
- 90:27:78
- Organization
- Open Infrastructure
- Address
- Neufeldstrasse 125 Bern CH 3012
- 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.