MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Private
MAC address prefix 08:3C:03:B is registered to Private, located at .
This registration is classified as MA-M (Mac Address Block Medium) containing approximately 16 million MAC addresses
The prefix was registered on 12 January 2026, and no subsequent updates have been recorded.
OUI: 08:3C:03:B
Vendor name: Private
Address:
Assignment Type MA-M .
Mac Address Block Medium. Number of address 2^20 (~1 Million)
Initial registration: 12 January 2026