Infratec Datentechnik GmbH

Any device whose MAC address begins with E8:5E:53 has a network interface built by Infratec Datentechnik GmbH. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

E8:5E:53

Organization

Infratec Datentechnik GmbH

Address

Gevener Weg 38 Neuenrade NRW DE 58579

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.