NPO RTT LLC

Any device whose MAC address begins with 38:AB:16 has a network interface built by NPO RTT LLC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

38:AB:16

Organization

NPO RTT LLC

Address

Goncharnaya st, 30, bld 1, B529 Moscow Select State RU 115172

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.