MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
AltoBeam Inc.
MAC address prefix 38:BE:AB is registered to AltoBeam 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 initially registered on 16 September 2021, with the most recent update made on 15 June 2026.
OUI: 38:BE:AB
Vendor name: AltoBeam 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)
Last updated: 15 June 2026
Initial registration: 16 September 2021
