Spire Payments

Any device whose MAC address begins with 28:71:84 has a network interface built by Spire Payments. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

28:71:84

Organization

Spire Payments

Address

Units 3 & 6 Milford Trading Estate Salisbury Wiltshire GB SP1 2UD

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.