MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Siemens AG Energy Management Division
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
