OUI Lookup
445ef3
Tonalite Holding B.V.
Manufacturer Information
- OUI Prefix
- 445ef3
- Manufacturer
- Tonalite Holding B.V.
- Address
- Nieuw Amsterdamsestraat 40 Emmen Drenthe NL 7814 VA
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 445EF3
The OUI prefix 445EF3 is assigned to Tonalite Holding B.V., based in Nieuw Amsterdamsestraat 40 Emmen Drenthe NL 7814 VA . 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 Tonalite Holding B.V..