EMH Metering GmbH & Co. KG

Any device whose MAC address begins with 58:1F:19 has a network interface built by EMH Metering GmbH & Co. KG. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

58:1F:19

Organization

EMH Metering GmbH & Co. KG

Address

Neu- Galliner Weg 1 Gallin DE 19258

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.