MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address

EFM Networks

OUI: 90:9F:33

Vendor name: EFM Networks

Address:

6F
Benposra II 1197-1 Bojeong Giheung Gu
Yong In Kyunggi do 446913
KR.

Assignment Type MA-L

Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

Last updated: 17 November 2015

Initial registration: 13 July 2014