OUI Lookup
504b5b
CONTROLtronic GmbH
Manufacturer Information
- OUI Prefix
- 504b5b
- Manufacturer
- CONTROLtronic GmbH
- Address
- Schragenhofstr. 35 Munich DE 80992
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 504B5B
The OUI prefix 504B5B is assigned to CONTROLtronic GmbH, based in Schragenhofstr. 35 Munich DE 80992 . 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 CONTROLtronic GmbH.