Construct (FF…)
xxxx xxxx FFFF SSSS : Group ID X = FP = 1111 1111 = FF F= Flag S = Scope
Scope
0 = Reserve 1 = Node-local Scope 2 = Link-Local Scope 5 = Site-Local Scope 8 = Organization-Local Scope e = Global Scope f = Reserved
Example
FE80::6b:28c:16D2:c97 = Host IPv6 Address FF02:: 1:FF00:0 /104 = to process all Link-local hosts of the last 24 Bit Hosts FF02:: 1:FFD2:C97 = Corresponding solicited-node Address
Bit net mask help
16:32:48:64:80:96 : 100 104 108 112 : 116 120 124 128