Telit Communication s.p.a

Any device whose MAC address begins with 00:21:7E has a network interface built by Telit Communication s.p.a. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:21:7E

Organization

Telit Communication s.p.a

Address

Via stazione di prosecco 5B SGONICO Trieste IT 34010

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.