You will find here up-to-date vendor information including vendor address, url for driver download and network configuration information as well as all all belonging mac adresses.
Vendor name: SONOS Co., Ltd.
#725 Pungsan Apt. Factory
1141-2 Baikseok, ilsan, Goyang, Gyeonggi
Rep. of KOREA Zip Code: 411-815
KOREA, REPUBLIC OF
Website for driver download: http://www.sonos.com/
Showing all 1 registered mac address network prefixes: 00:04:3C
All ethernet addresses beginning with are registered by Sonos Co., Ltd. in #725 Pungsan Apt. Factory 1141-2 Baikseok, Ilsan, Goyang, Gyeonggi Rep. Of Korea Zip Code: 411-815 Korea, Republic Of. You will find troubleshooting information for your device on the manufacturer webpage here. This registered set of mac addresses can identify max. 16.777.216 devices.