MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Zhen Shi Information Technology（Shanghai）Co.,Ltd.
MAC address prefix 30:C9:1B is registered to Zhen Shi Information Technology（Shanghai）Co.,Ltd., located at 5FBuilding 3?No. 401 Caobao RoadXuhui DistrictShanghaiChinaShanghaiShanghai 200233CN.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was registered on 09 May 2025, and no subsequent updates have been recorded.
OUI: 30:C9:1B
Vendor name: Zhen Shi Information Technology（Shanghai）Co.,Ltd.
Address:
Assignment Type MA-L 5F
Building 3?No. 401 Caobao Road
Xuhui District
Shanghai
ChinaShanghai
Shanghai 200233
CN.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 09 May 2025
