Elster Solutions, LLC,

Any device whose MAC address begins with 00:1A:63 has a network interface built by Elster Solutions, LLC,. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1A:63

Organization

Elster Solutions, LLC,

Address

208 South Rogers Lane Raleigh NC US 27610

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.