MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
IEEE Registration Authority
OUI: F4:20:55
Vendor name: IEEE Registration Authority
Address:
Assignment Type MA-L 445 Hoes Lane
Piscataway NJ 08554
US.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 17 June 2024
![MAC Address Vendor Country US map](/img/countries/us_b65e08-w400.gif)