add a check for whether or not a net address is private
add a check for whether or not a net address is private

mtlynch/Sia,mtlynch/Sia,MrStrong/Sia,MrStrong/Sia,ericflo/Sia,mnsl/Sia,mharkus/Sia,rivine/rivine,mharkus/Sia,ChrisSchinnerl/Sia,ChrisSchinnerl/Sia,NebulousLabs/Sia,rivine/rivine,ericflo/Sia,NebulousLabs/Sia,mnsl/Sia