ip prefix-list A permit 0.0.0.0/0 ge 32
The above statement will match only hosts.
ip prefix-list B permit 128.0.0.0/2 ge 17
The above statement will match Any subnet in a class B address space.
ip prefix-list C permit 0.0.0.0/0 le 32
The above statement will match all routes.
ip prefix-list D permit 0.0.0.0/0
The above statement will match the default route.
ip prefix-list E permit 0.0.0.0/1 le 24
The above statement will match any prefix in a class A address space covering at least 256 addresses.