OUI Lookup
28fbd3
Ragentek Technology Group
Manufacturer Information
- OUI Prefix
- 28fbd3
- Manufacturer
- Ragentek Technology Group
- Address
- D10/D11，No.3188, Xiupu Road, PuDong District, Shanghai Shanghai CN 201703
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 3
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 28FBD3
The OUI prefix 28FBD3 is assigned to Ragentek Technology Group, based in D10/D11，No.3188, Xiupu Road, PuDong District, Shanghai Shanghai CN 201703 . 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 Ragentek Technology Group.