OUI Lookup
0021ef
Kapsys
Manufacturer Information
- OUI Prefix
- 0021ef
- Manufacturer
- Kapsys
- Address
- 790 Av du Docteur Maurice Donat 06250 Mougins Sophia Antipolis FR
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0021EF
The OUI prefix 0021EF is assigned to Kapsys, based in 790 Av du Docteur Maurice Donat 06250 Mougins Sophia Antipolis FR . 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 Kapsys.