code: def create_ip_range(self, network_view, start_ip, end_ip, network,
                          disable, range_extattrs):
          
          return obj.IPRange.create(self.connector,
                                    network_view=network_view,
                                    start_addr=start_ip,
                                    end_addr=end_ip,
                                    cidr=network,
                                    disable=disable,
                                    extattrs=range_extattrs,
                                    check_if_exists=False)
docs: Creates IPRange or fails if already exists.