FE80::/10 FE80:0000:0000:0000:0000:0000:0000:0000 2118 Link Local
FC00::/7 FC00:0000:0000:0000:0000:0000:0000:0000 2121 Unique LL
2002::/16 2002:0000:0000:0000:0000:0000:0000:0000 2112 Ipv4 Trans
2001:DB8::/32 2001:0DB8:0000:0000:0000:0000:0000:0000 296 Documentation
2001:20::/28 2001:0020:0000:0000:0000:0000:0000:0000 2100 Software
2001::/32 2001:0000:0000:0000:0000:0000:0000:0000 296 Global Internet
100::/64 0100:0000:0000:0000:0000:0000:0000:0000 264 Routing
64:FF9B::/56 0064:FF9B:0000:0000:0000:0000:0000:0000 232 IPv4/6 Trans
::FFFF:0:0:0/96 0000:0000:0000:0000:FFFF:0000:0000:0000 232 IPv4 Trans
::1/128 0000:0000:0000:0000:0000:0000:0000:0001 1 Loopback
::/128 0000:0000:0000:0000:0000:0000:0000:0000 1 Unspecified
::/0 0000:0000:0000:0000:0000:0000:0000:0000 2128 Default Route
FF00::/8 FF00:0000:0000:0000:0000:0000:0000:0000 2120 Multicast
::FFFF:0:0/96 0000:0000:0000:0000:0000:FFFF:0000:0000 232 IPv4 Trans
While you do not need to memorize these, you should know there are reserved addresses