MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Green Hills Software, Inc.
OUI prefix: 00:12:5C
Vendor name: Green Hills Software, Inc.
30 West Sola Street
Santa Barbara CA 93101
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 12 September 2004