Delta Information Systems, Inc.

Any device whose MAC address begins with 00:0F:5B has a network interface built by Delta Information Systems, Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:0F:5B

Organization

Delta Information Systems, Inc.

Address

300 Welsh Road, Bldg. 3 Horsham PA US 19044-2273

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.