MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
AltoBeam (China) Inc.
Unique prefixes: 7
Block Size: 117440505 (117.44 M)
First registration: 25 July 2020
Last updated: 25 January 2022
MA-L: Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)