MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
EFM Networks
MAC address prefix 90:9F:33 is registered to EFM Networks, located at 6FBenposra II 1197-1 Bojeong Giheung GuYong In Kyunggi do 446913KR.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was initially registered on 13 July 2014, with the most recent update made on 17 November 2015.
OUI: 90:9F:33
Vendor name: EFM Networks
Address:
Assignment Type MA-L 6F
Benposra II 1197-1 Bojeong Giheung Gu
Yong In Kyunggi do 446913
KR.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 13 July 2014
