MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address

 MAC

Greystone Data System, Inc.

OUI prefix: 00:17:81

Vendor name: Greystone Data System, Inc.

Address:

40800 Encycopedia Circle
Fremont CA 94538
US.

Assignment Type MA-L

Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

Last updated: 17 November 2015

Initial registration: 08 April 2006

MAC Address Vendor Country US map