SAFETY MANAGEMENT SYSTEMS

Any device whose MAC address begins with 00:50:89 has a network interface built by SAFETY MANAGEMENT SYSTEMS. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:50:89

Organization

SAFETY MANAGEMENT SYSTEMS

Address

Burgemeester Burgerslaan 40 NH Rosmalen NL 5245

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.