MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Qingdao HaierTechnology Co.,Ltd
MAC address prefix 04:C9:DE is registered to Qingdao HaierTechnology Co.,Ltd, located at Building C01Haier Information ParkNo.1 Haier RoadQingdao 266101CN.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was registered on 13 November 2025, and no subsequent updates have been recorded.
OUI: 04:C9:DE
Vendor name: Qingdao HaierTechnology Co.,Ltd
Address:
Assignment Type MA-L Building C01
Haier Information Park
No.1 Haier Road
Qingdao 266101
CN.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 13 November 2025
