IPv6 Extended Unique Identifier
1111 1110 10
First 10 bits resolve to FE80 Hex
A reserved local address category
EUI 64 – Extended Unique Identifier
1001 0010 0011 0100 0101 0110 1111 1111 1111 1110 0111 1000 1010 1011 1100 1101
Last 64 bits fro EUI-64 Process
::
Remaining bits are 0 so :: in address
The first bit is flipped as the last step