CAPITOL BUSINESS SYSTEMS, LTD.

Any device whose MAC address begins with 00:50:A5 has a network interface built by CAPITOL BUSINESS SYSTEMS, 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

00:50:A5

Organization

CAPITOL BUSINESS SYSTEMS, LTD.

Address

43/44 RIVERSIDE ROCHESTER, KENT England ME2 4DP GB

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.