OUI Lookup
0021f1
Tutus Data AB
Manufacturer Information
- OUI Prefix
- 0021f1
- Manufacturer
- Tutus Data AB
- Address
- Svardvagen 11 Danderyd Stockholm SE 18233
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0021F1
The OUI prefix 0021F1 is assigned to Tutus Data AB, based in Svardvagen 11 Danderyd Stockholm SE 18233 . 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 Tutus Data AB.