OUI Lookup
0003ef
Oneline AG
Manufacturer Information
- OUI Prefix
- 0003ef
- Manufacturer
- Oneline AG
- Address
- Steinfeldstraße 3 DE
- Last updated
- 6/20/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0003EF
The OUI prefix 0003EF is assigned to Oneline AG, based in Steinfeldstraße 3 DE . 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 Oneline AG.