B4:D6:4E Caldero Limited
Every MAC address from B4:D6:4E:00:00:00 to B4:D6:4E:FF:FF:FF belongs to a block the IEEE assigned to Caldero Limited. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who B4:D6:4E belongs to
Written B4:D6:4E, B4-D6-4E or B4D64E, depending on the system. Look up a full address.
Prefix
B4:D6:4E
Organization
Caldero Limited
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
B4:D6:4E:00:00:00
Last address
B4:D6:4E:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Concordia Works, 30 Sovereign Street Leeds West Yorkshire GB LS1 4BA