TNS

Any device whose MAC address begins with 00:10:A2 has a network interface built by TNS. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:10:A2

Organization

TNS

Address

800 Third Street, Suite B100 HERNDON VA US 20170

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.