6C:81:66 Private
Every MAC address from 6C:81:66:00:00:00 to 6C:81:66:FF:FF:FF belongs to a block the IEEE assigned to Private. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 6C:81:66 belongs to
Written 6C:81:66, 6C-81-66 or 6C8166, depending on the system. Look up a full address.
Prefix
6C:81:66
Organization
Private
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
6C:81:66:00:00:00
Last address
6C:81:66:FF:FF:FF
Address type
Globally unique, unicast