00:40:9E Concurrent Technologies Ltd.
Every MAC address from 00:40:9E:00:00:00 to 00:40:9E:FF:FF:FF belongs to a block the IEEE assigned to Concurrent Technologies Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:40:9E belongs to
Written 00:40:9E, 00-40-9E or 00409E, depending on the system. Look up a full address.
Prefix
00:40:9E
Organization
Concurrent Technologies Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:40:9E:00:00:00
Last address
00:40:9E:FF:FF:FF
Address type
Globally unique, unicast
Registered address
4 Gilberd Court, Newcomen Way Colchester GB CO4 9WN