TELRAD

Any device whose MAC address begins with 00:E0:23 has a network interface built by TELRAD. 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:E0:23

Organization

TELRAD

Address

P.O. BOX 50 LOD 71100 IL

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.