MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Beijing National Railway Research & Design Institute of Signal & Communication Group Co..Ltd.
Unique prefixes: 1
Block Size: 16777215 (16.77 M)
First registration: 01 December 2018
MA-L: Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
|MAC Prefix||Type||Registration Date|