00:40:43 Nokia Siemens Networks GmbH & Co. KG.
Every MAC address from 00:40:43:00:00:00 to 00:40:43:FF:FF:FF belongs to a block the IEEE assigned to Nokia Siemens Networks GmbH & Co. KG.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:40:43 belongs to
Written 00:40:43, 00-40-43 or 004043, depending on the system. Look up a full address.
Prefix
00:40:43
Organization
Nokia Siemens Networks GmbH & Co. KG.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:40:43:00:00:00
Last address
00:40:43:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Werner-von-Siemens Straße 2-6 Bruchsal Baden-Württemberg DE 76646
Same organization
Other blocks assigned to Nokia Siemens Networks GmbH & Co. KG.
1 more block registered under the same name.