MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Cabletron Systems, Inc.
Unique prefixes: 5
Block Size: 83886075 (83.88 M)
First registration: 22 April 1998
Last updated: 17 November 2015
MA-L: Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)