MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Siemens AG Energy Management Division
MAC address prefix B4:B1:5A is registered to Siemens AG Energy Management Division, located at Humboldtstr. 59Nurnberg Bavaria 90459DE.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was registered on 10 February 2016, and no subsequent updates have been recorded.
OUI: B4:B1:5A
Vendor name: Siemens AG Energy Management Division
Address:
Assignment Type MA-L Humboldtstr. 59
Nurnberg Bavaria 90459
DE.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 10 February 2016
