MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Greystone Data System, Inc.
OUI prefix: 00:17:81
Vendor name: Greystone Data System, Inc.
40800 Encycopedia Circle
Fremont CA 94538
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 08 April 2006