Magna Carta

Any device whose MAC address begins with 00:18:B5 has a network interface built by Magna Carta. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:18:B5

Organization

Magna Carta

Address

Naritaweg 126 Amsterdam Noord Holland NL 1043 CA

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.