MAC Address Lookup

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


Jinan USR IOT Technology Limited

Unique prefixes: 2

Block Size: 17825790 (17.82 M)

First registration: 09 September 2021

Last updated: 26 May 2022


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

MA-M: Mac Address Block Medium. Number of address 2^20 (~1 Million)

MAC PrefixTypeRegistration Date