MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Siemens Building Technologies AG,
OUI: 00:05:19
Vendor name: Siemens Building Technologies AG,
Address:
Assignment Type MA-L Cerberus Division
CH.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 02 February 2001