MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
AltoBeam (China) Inc.
MAC address prefix A4:EF:15 is registered to AltoBeam (China) Inc., located at B808Tsinghua Tongfang Hi-Tech PlazaHaidianBeijing Beijing 100083CN.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was registered on 22 September 2021, and no subsequent updates have been recorded.
OUI: A4:EF:15
Vendor name: AltoBeam (China) Inc.
Address:
Assignment Type MA-L B808
Tsinghua Tongfang Hi-Tech Plaza
Haidian
Beijing Beijing 100083
CN.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 22 September 2021
