CASCO SIGNAL LTD

Any device whose MAC address begins with DC:49:C9 has a network interface built by CASCO SIGNAL LTD. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

DC:49:C9

Organization

CASCO SIGNAL LTD

Address

No.489 Xizang Bei Road Shanghai CN 200071

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.