OUI Lookup
20a8b9
SIEMENS AG
Manufacturer Information
- OUI Prefix
- 20a8b9
- Manufacturer
- SIEMENS AG
- Address
- Oestliche Rheinbrueckenstrasse 50 Karlsruhe Baden Wuerttemberg DE 76187
- Last updated
- 7/27/2026
Vendor Statistics
- Total prefixes
- 7
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 20A8B9
The OUI prefix 20A8B9 is assigned to SIEMENS AG, based in Oestliche Rheinbrueckenstrasse 50 Karlsruhe Baden Wuerttemberg DE 76187 . 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 SIEMENS AG.
Other prefixes from SIEMENS AG
001b1bSiemens AG,0001e3Siemens AGb4b15aSiemens AG Energy Management Division001928Siemens AG, Transportation Systems74fc45SIEMENS AG000ba3Siemens AG30b851Siemens AG080006SIEMENS AG883f99Siemens AGa86d04Siemens AG000e8cSiemens AG683e02SIEMENS AG, Digital Factory, Motion Control System40ecf8Siemens AG208756SIEMENS AG001133Siemens AG Austria001ff8Siemens AG, Sector Industry, Drive Technologies, Motion Control Systems286336Siemens AGec1c5dSiemens AG10dffcSiemens AGac6417Siemens AG384b24SIEMENS AG301389Siemens AG, Automations & Drives,302f1eSIEMENS AGd4f527SIEMENS AG