GLINTT TES S.A.

Any device whose MAC address begins with 30:3D:08 has a network interface built by GLINTT TES S.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

30:3D:08

Organization

GLINTT TES S.A.

Address

Beloura Office Park, Ed.10 Sintra PT 2710-693

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.