78:28:CA Sonos, Inc.
Every MAC address from 78:28:CA:00:00:00 to 78:28:CA:FF:FF:FF belongs to a block the IEEE assigned to Sonos, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 78:28:CA belongs to
Written 78:28:CA, 78-28-CA or 7828CA, depending on the system. Look up a full address.
Prefix
78:28:CA
Organization
Sonos, Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
78:28:CA:00:00:00
Last address
78:28:CA:FF:FF:FF
Address type
Globally unique, unicast
Registered address
301 Coromar Dr Goleta CA US 93117