Group 4 Technology Ltd

Any device whose MAC address begins with 00:15:BD has a network interface built by Group 4 Technology Ltd. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:15:BD

Organization

Group 4 Technology Ltd

Address

Challenge House Tewkesbury Gloucestershire GB GL20 8UQ

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.