| Prefix | Sample | Usage |
| /128 | AAAA:BBBB:CCCC:DDDD:EEEE:FFFF:GGGG:HHHH | Point to point |
| /112 | AAAA:BBBB:CCCC:DDDD:EEEE:FFFF:GGGG:hhhh | |
| /96 | AAAA:BBBB:CCCC:DDDD:EEEE:FFFF:gggg:hhhh | |
| /80 | AAAA:BBBB:CCCC:DDDD:EEEE:ffff:gggg:hhhh | |
| /64 | AAAA:BBBB:CCCC:DDDD:eeee:ffff:gggg:hhhh | Subnet |
| /48 | AAAA:BBBB:CCCC:dddd:eeee:ffff:gggg:hhhh | Typical delegation |
| /32 | AAAA:BBBB:cccc:dddd:eeee:ffff:gggg:hhhh | |
| /16 | AAAA:bbbb:cccc:dddd:eeee:ffff:gggg:hhhh | |
| /0 | aaaa:bbbb:cccc:dddd:eeee:ffff:gggg:hhhh | Whole internet |