OUI Lookup
30a3b5
Jiangsu Best Tone Information Service Co., Ltd
Manufacturer Information
- OUI Prefix
- 30a3b5
- Manufacturer
- Jiangsu Best Tone Information Service Co., Ltd
- Address
- No.501,Zhongshan South Road Nanjing Jiangsu CN 210006
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 30A3B5
The OUI prefix 30A3B5 is assigned to Jiangsu Best Tone Information Service Co., Ltd, based in No.501,Zhongshan South Road Nanjing Jiangsu CN 210006 . It is a MA-L type block of 24 bits (first three octets). Allows up to 16 million unique MAC addresses. If you find this prefix on your network, the devices belong to Jiangsu Best Tone Information Service Co., Ltd.