Bombardier Transportation

Any device whose MAC address begins with 00:11:BD has a network interface built by Bombardier Transportation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:11:BD

Organization

Bombardier Transportation

Address

1501 Lebanon Church Road Pittsburgh PA US 15236

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.