Wellspring Wireless

Any device whose MAC address begins with 00:1D:B9 has a network interface built by Wellspring Wireless. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1D:B9

Organization

Wellspring Wireless

Address

107 Magella Court North Wales Pa US 19454

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.