JC Decaux SA DNT

Any device whose MAC address begins with 00:1B:93 has a network interface built by JC Decaux SA DNT. 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:93

Organization

JC Decaux SA DNT

Address

21 rue claude Bernard MAUREPAS FR 78310

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.