NASA-Goddard Space Flight Center

Any device whose MAC address begins with 00:08:55 has a network interface built by NASA-Goddard Space Flight Center. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:08:55

Organization

NASA-Goddard Space Flight Center

Address

Code 561 Greenbelt MD US 20771

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.