OUI Lookup
a47b52
JoulWatt Technology Co., Ltd
Manufacturer Information
- OUI Prefix
- a47b52
- Manufacturer
- JoulWatt Technology Co., Ltd
- Address
- 9th Floor, Chuangye Building, No.99 Huaxing Road, Xihu District, Hangzhou, China Hangzhou Zhejiang CN 311100
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix A47B52
The OUI prefix A47B52 is assigned to JoulWatt Technology Co., Ltd, based in 9th Floor, Chuangye Building, No.99 Huaxing Road, Xihu District, Hangzhou, China Hangzhou Zhejiang CN 311100 . 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 JoulWatt Technology Co., Ltd.