CONCUR SYSTEM TECHNOLOGIES

Any device whose MAC address begins with 00:90:4A has a network interface built by CONCUR SYSTEM TECHNOLOGIES. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:90:4A

Organization

CONCUR SYSTEM TECHNOLOGIES

Address

2525 WALLINGWOOD DR.-STE. #804 AUSTIN TX US 78746

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.