isSubsetOf package:ip

isSubsetOf :: IPv4Range -> IPv4Range -> Bool
ip Net.IPv4
Checks if the first range is a subset of the second range. 
>>> IPv4.isSubsetOf (IPv4.IPv4Range (IPv4.fromOctets 192 0 2 128) 25) (IPv4.IPv4Range (IPv4.fromOctets 192 0 2 0) 24)
True

>>> IPv4.isSubsetOf (IPv4.IPv4Range (IPv4.fromOctets 192 0 2 0) 30) (IPv4.IPv4Range (IPv4.fromOctets 192 0 2 4) 30)
False
isSubsetOf :: IPv6Range -> IPv6Range -> Bool
ip Net.IPv6
Checks if the first range is a subset of the second range.