MAC Address Lookup

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


EFM Networks

MAC prefix: 70:5D:CC

Vendor name: EFM Networks

MAC range: 70:5D:CC:00:00:00 - 70:5D:CC:FF:FF:FF

Block Size: 16777215 (16.77 M)


Benposra II 1197-1 Bojeong Giheung Gu
Yong In Kyunggi do 446913

Type MA-L

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

Initial registration: 22 July 2018

Country KR map