MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
EFM Networks
OUI History
EFM Networks
17 November 2015
6F, Benposra II 1197-1 Bojeong Giheung Gu, Yong In Kyunggi do 446913, KR
Update(s):- Address
EFM Networks
13 July 2014
6F, Benposra II 1197-1 Bojeong Giheung Gu, Yong In Kyunggi do 446913, KOREA, REPUBLIC OF
Note:- Initial registration