OUI Lookup
0003c7
hopf Elektronik GmbH
Manufacturer Information
- OUI Prefix
- 0003c7
- Manufacturer
- hopf Elektronik GmbH
- Address
- Nottebohmstraße 41 58511 Lüdenscheid DE
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0003C7
The OUI prefix 0003C7 is assigned to hopf Elektronik GmbH, based in Nottebohmstraße 41 58511 Lüdenscheid 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 hopf Elektronik GmbH.