EMCO Flow Systems

Any device whose MAC address begins with 00:1D:90 has a network interface built by EMCO Flow Systems. 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:90

Organization

EMCO Flow Systems

Address

2150 Miller Drive Longmont CO US 80501

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.