MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
China Unicom Online Information Technology Co.,Ltd
OUI: 04:38:DC
Vendor name: China Unicom Online Information Technology Co.,Ltd
Address:
Assignment Type MA-L 133 Xidan North St
Xicheng District
Beijing
Beijing 100000
CN.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 14 April 2023
