OUI Lookup
40ecf8
Siemens AG
Manufacturer Information
- OUI Prefix
- 40ecf8
- Manufacturer
- Siemens AG
- Address
- I IS MS EDM Munich Germany DE 85630
- Last updated
- 6/13/2026
Vendor Statistics
- Total prefixes
- 11
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 40ECF8
The OUI prefix 40ECF8 is assigned to Siemens AG, based in I IS MS EDM Munich Germany DE 85630 . 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
384b24SIEMENS AG10dffcSiemens AG000ba3Siemens AGec1c5dSiemens AG001928Siemens AG, Transportation Systems000e8cSiemens AG286336Siemens AGb4b15aSiemens AG Energy Management Division789f87Siemens AG I IA PP PRM001ff8Siemens AG, Sector Industry, Drive Technologies, Motion Control Systems000d41Siemens AG ICM MP UC RD IT KLF1683e02SIEMENS AG, Digital Factory, Motion Control System208756SIEMENS AGa86d04Siemens AG301389Siemens AG, Automations & Drives,001133Siemens AG Austria080006SIEMENS AGd4f527SIEMENS AGac6417Siemens AG883f99Siemens AG20a8b9SIEMENS AG884b39Siemens AG, Healthcare Sector302f1eSIEMENS AG001b1bSiemens AG,