00:1B:C5:03:B Promixis, LLC
Every MAC address from 00:1B:C5:03:B0:00 to 00:1B:C5:03:BF:FF belongs to a block the IEEE assigned to Promixis, LLC. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1B:C5:03:B belongs to
Written 00:1B:C5:03:B, 00-1B-C5-03-B or 001BC503B, depending on the system. Look up a full address.
Prefix
00:1B:C5:03:B/36
Organization
Promixis, LLC
Registry
MA-S (36 bits)
Addresses
4,096
First address
00:1B:C5:03:B0:00
Last address
00:1B:C5:03:BF:FF
Address type
Globally unique, unicast
Registered address
211 Edenberry Avenue Jupiter FL US 33458
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.