OUI Lookup
80ceb1
Theissen Training Systems GmbH
Manufacturer Information
- OUI Prefix
- 80ceb1
- Manufacturer
- Theissen Training Systems GmbH
- Address
- Schuchardstrasse 3 Duesseldorf NRW DE 40595
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 80CEB1
The OUI prefix 80CEB1 is assigned to Theissen Training Systems GmbH, based in Schuchardstrasse 3 Duesseldorf NRW DE 40595 . 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 Theissen Training Systems GmbH.