Neopost Technologies

Any device whose MAC address begins with 00:1B:00 has a network interface built by Neopost Technologies. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1B:00

Organization

Neopost Technologies

Address

113 rue Jean-Marin Naudin Bagneux FR 92220

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.