TELSTRAT

Any device whose MAC address begins with 00:50:D7 has a network interface built by TELSTRAT. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:50:D7

Organization

TELSTRAT

Address

3600 AVENUE PLANO TX US 75074

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.