00:1B:C5:07:D Greatcom AG
Every MAC address from 00:1B:C5:07:D0:00 to 00:1B:C5:07:DF:FF belongs to a block the IEEE assigned to Greatcom AG. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1B:C5:07:D belongs to
Written 00:1B:C5:07:D, 00-1B-C5-07-D or 001BC507D, depending on the system. Look up a full address.
Prefix
00:1B:C5:07:D/36
Organization
Greatcom AG
Registry
MA-S (36 bits)
Addresses
4,096
First address
00:1B:C5:07:D0:00
Last address
00:1B:C5:07:DF:FF
Address type
Globally unique, unicast
Registered address
Gewerbestrasse 20 Egg ZH CH 8132
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.