MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address


WindowMaster A/S

MAC prefix: F4:B3:81

Vendor name: WindowMaster A/S

MAC range: F4:B3:81:00:00:00 - F4:B3:81:FF:FF:FF

Block Size: 16777215 (16.77 M)


Skelstedet 13
Vedbaek 2950

Type MA-L

Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

Initial registration: 11 March 2013

Last updated: 17 November 2015

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