Find the vendor name of a device by entering an OUI or a MAC address
OUI prefix: 00:12:3C
Vendor name: Second Rule LLC
4119 Walnut StreetPhiladelphia PA 19104US.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 02 September 2004