MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Shanghai Tosun Technology Ltd
MAC address prefix 90:DF:46 is registered to Shanghai Tosun Technology Ltd, located at Room 207-1No. 4801 Cao'an RoadAnting TownJiading DistrictShanghai Shanghai 201800CN.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was registered on 02 September 2026, and no subsequent updates have been recorded.
OUI: 90:DF:46
Vendor name: Shanghai Tosun Technology Ltd
Address:
Assignment Type MA-L Room 207-1
No. 4801 Cao'an Road
Anting Town
Jiading District
Shanghai Shanghai 201800
CN.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 02 September 2026
