Returns a random address from within the given range of two addresses
            IPRANGE:start,end

        %{IPRANGE:10.0.0.0/8,} -> ''

def iprange(self, *args):
        """Returns a random address from within the given range of two addresses
            IPRANGE:start,end

        %{IPRANGE:10.0.0.0/8,} -> ''
        """
        call_args = list(args)
        return self.random.choice(IPRange(call_args.pop(0), call_args.pop(0)))