Comcast-SRL

Any device whose MAC address begins with F8:34:51 has a network interface built by Comcast-SRL. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

F8:34:51

Organization

Comcast-SRL

Address

Alejo Martinez 17 Sosua Puerto Plata DO 34443

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.