MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Extreme Networks, Inc.
MAC prefix: B4:C7:99
Vendor name: Extreme Networks, Inc.
MAC range: B4:C7:99:00:00:00 - B4:C7:99:FF:FF:FF
Block Size: 16777215 (16.77 M)
475 Half Day Road
Lincolnshire IL 60069
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 07 May 2011
Last updated: 22 September 2017