00:1B:C5:09:E K+K Messtechnik GmbH
Every MAC address from 00:1B:C5:09:E0:00 to 00:1B:C5:09:EF:FF belongs to a block the IEEE assigned to K+K Messtechnik GmbH. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1B:C5:09:E belongs to
Written 00:1B:C5:09:E, 00-1B-C5-09-E or 001BC509E, depending on the system. Look up a full address.
Prefix
00:1B:C5:09:E/36
Organization
K+K Messtechnik GmbH
Registry
MA-S (36 bits)
Addresses
4,096
First address
00:1B:C5:09:E0:00
Last address
00:1B:C5:09:EF:FF
Address type
Globally unique, unicast
Registered address
St.-Wendel-Str. 12 Braunschweig Niedersachsen DE 38116
Parent block
Inside 00:1B:C5
This MA-S block is carved from the 24-bit block 00:1B:C5, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.