00:40:A3 MICROUNITY SYSTEMS ENGINEERING
Every MAC address from 00:40:A3:00:00:00 to 00:40:A3:FF:FF:FF belongs to a block the IEEE assigned to MICROUNITY SYSTEMS ENGINEERING. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:40:A3 belongs to
Written 00:40:A3, 00-40-A3 or 0040A3, depending on the system. Look up a full address.
Prefix
00:40:A3
Organization
MICROUNITY SYSTEMS ENGINEERING
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:40:A3:00:00:00
Last address
00:40:A3:FF:FF:FF
Address type
Globally unique, unicast
Registered address
255 CASPIAN DRIVE SUNNYVALE CA US 94089-1015