OUI Lookup
0021fa
A4SP Technologies Ltd.
Manufacturer Information
- OUI Prefix
- 0021fa
- Manufacturer
- A4SP Technologies Ltd.
- Address
- Keilaranta 19 D Espoo Uusimaa FI 02150
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0021FA
The OUI prefix 0021FA is assigned to A4SP Technologies Ltd., based in Keilaranta 19 D Espoo Uusimaa FI 02150 . 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 A4SP Technologies Ltd..