MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Si2 Microsystems Limited
OUI: 00:21:81
Vendor name: Si2 Microsystems Limited
Address:
Assignment Type MA-L No 84
Sy No 150
EPIP
Whitefield Industrial Area
Bangalore Karnataka 560066
IN.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 25 October 2008