You will find here current network manufacturer information for the ethernet hardware address including vendor address, url for driver download and internet configuration information.master data
Device mac address: 00:04:3CSimliar mac addresses..
Base16 encoding: 00043C
manufacturer 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 specification download: http://www.sonos.com/
All MACs starting with 00-04-3C belong to the owner 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 can find driver information for the hardware on the manufacturer homepage there. This registered array of 1 blocks can identify max. 16.777.216 devices.
There are correlated MACs to this one: