Definitions for "Host range"
The various kinds of plants that may be attacked by a pathogen or insect.
the range of plants on which an organism, particularly a parasite, feeds
the range of plant species known to serve as hosts for a given parasite also, the range of action of a phage in terms of the species, strains etc. of bacteria in which it can grow.
Keywords:  contiguous, block, addresses
a block of contiguous IP addresses