MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Gemstone Communications, Inc.
OUI prefix: 00:0B:F9
Vendor name: Gemstone Communications, Inc.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 07 February 2003