MAC Address Lookup

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

MICROUNITY SYSTEMS ENGINEERING

MAC prefix: 00:40:A3

MAC range: 00:40:A3:00:00:00 - 00:40:A3:FF:FF:FF

Block Size: 16777215 (16.77 M)

Address:

255 CASPIAN DRIVE
SUNNYVALE CA 94089-1015
US.

Type MA-L

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

Initial registration: 09 November 2000

Last updated: 17 November 2015