MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Cogent Systems, Inc.
OUI prefix: 00:0B:77
Vendor name: Cogent Systems, Inc.
209 Fair Oaks Ave.
South Pasadena CA 91030
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 14 October 2002