Host Mobility AB

Any device whose MAC address begins with 04:1B:94 has a network interface built by Host Mobility AB. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

04:1B:94

Organization

Host Mobility AB

Address

Anders Personsgatan 12 Gothenburg Vastra Gotaland SE 41664

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.