MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
IO Master Technology
OUI: 78:39:2D:5
Vendor name: IO Master Technology
Address:
Assignment Type MA-M 4F?1 No. 258
Lian Cheng Rd
Zhong He Dist
New Taipei City 235 Taipei 235
TW.
Mac Address Block Medium. Number of address 2^20 (~1 Million)
Initial registration: 02 November 2023
![MAC Address Vendor Country TW map](/img/countries/tw_5e3add-w400.gif)