MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Optonic GmbH
OUI: 78:52:4A
Vendor name: Optonic GmbH
Address:
Assignment Type MA-L Zollhallenstr. 11
Freiburg 79106
DE.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 15 June 2021
Initial registration: 25 April 2018
![MAC Address Vendor Country DE map](/img/countries/de_b1ee5c-w400.gif)