MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address prefix B4:56:F3 is registered to Westermo Network Technologies AB, located at Metallverksgatan 6Vasteras 721 30SE.
This registration is classified as MA-L (Mac Address Block Large) containing 16,777,216 MAC addresses (2^24)
The prefix was registered on 26 September 2026, and no subsequent updates have been recorded.
OUI: B4:56:F3
Vendor name: Westermo Network Technologies AB
Address:
Assignment Type MA-L Metallverksgatan 6
Vasteras 721 30
SE.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 26 September 2026
