18:42:1D Private
Every MAC address from 18:42:1D:00:00:00 to 18:42:1D: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 18:42:1D belongs to
Written 18:42:1D, 18-42-1D or 18421D, depending on the system. Look up a full address.
Prefix
18:42:1D
Organization
Private
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
18:42:1D:00:00:00
Last address
18:42:1D:FF:FF:FF
Address type
Globally unique, unicast