OUI Lookup
0021af
Radio Frequency Systems
Manufacturer Information
- OUI Prefix
- 0021af
- Manufacturer
- Radio Frequency Systems
- Address
- Kabelkamp 20 Hannover DE 30179
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0021AF
The OUI prefix 0021AF is assigned to Radio Frequency Systems, based in Kabelkamp 20 Hannover DE 30179 . 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 Radio Frequency Systems.