00:12:91 KWS Computersysteme GmbH
Every MAC address from 00:12:91:00:00:00 to 00:12:91:FF:FF:FF belongs to a block the IEEE assigned to KWS Computersysteme GmbH. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:12:91 belongs to
Written 00:12:91, 00-12-91 or 001291, depending on the system. Look up a full address.
Prefix
00:12:91
Organization
KWS Computersysteme GmbH
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:12:91:00:00:00
Last address
00:12:91:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Carl Zeiss Str. 1 Ettlingen BW DE 76275