Impulse Labs

Any device whose MAC address begins with C0:55:5C has a network interface built by Impulse Labs. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

C0:55:5C

Organization

Impulse Labs

Address

1409 Minnesota Street San Francisco CA US 94107

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.