MAC Address Lookup

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

 MAC

Cisco Systems, Inc

MAC prefix: B8:38:61

Vendor name: Cisco Systems, Inc

MAC range: B8:38:61:00:00:00 - B8:38:61:FF:FF:FF

Block Size: 16777215 (16.77 M)

Address:

170 West Tasman Drive
San Jose CA 95134
US.

Type MA-L

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

Initial registration: 13 December 2013

Last updated: 17 November 2015

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