00:1B:C5:00:1 OpenRB.com, Direct SIA
Every MAC address from 00:1B:C5:00:10:00 to 00:1B:C5:00:1F:FF belongs to a block the IEEE assigned to OpenRB.com, Direct SIA. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1B:C5:00:1 belongs to
Written 00:1B:C5:00:1, 00-1B-C5-00-1 or 001BC5001, depending on the system. Look up a full address.
Prefix
00:1B:C5:00:1/36
Organization
OpenRB.com, Direct SIA
Registry
MA-S (36 bits)
Addresses
4,096
First address
00:1B:C5:00:10:00
Last address
00:1B:C5:00:1F:FF
Address type
Globally unique, unicast
Registered address
E. Birznieka-Upisha Riga LV LV-1050
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.