OUI Lookup
b03b1b
Kontrolnext Technology (Beijing) Ltd.
Manufacturer Information
- OUI Prefix
- b03b1b
- Manufacturer
- Kontrolnext Technology (Beijing) Ltd.
- Address
- Room 703, 7/F, Building No.16, Shixing Avenue 30#, Shijingshan District Beijing CN 100041
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix B03B1B
The OUI prefix B03B1B is assigned to Kontrolnext Technology (Beijing) Ltd., based in Room 703, 7/F, Building No.16, Shixing Avenue 30#, Shijingshan District Beijing CN 100041 . 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 Kontrolnext Technology (Beijing) Ltd..