MAC Address Lookup

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

 MAC

Cogent Systems, Inc.

OUI prefix: 00:0B:77

Vendor name: Cogent Systems, Inc.

Address:

209 Fair Oaks Ave.
South Pasadena CA 91030
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: 14 October 2002

MAC Address Vendor Country US map