code: def delete_ip4(self, id_ip):
          
  
          if not is_valid_int_param(id_ip):
              raise InvalidParameterError(u'Ipv4 identifier is invalid or was not informed.')
  
          url = 'ip4/delete/' + str(id_ip) + "/"
          code, xml = self.submit(None, 'DELETE', url)
  
          return self.response(code, xml)
docs: Delete an IP4
  
          :param id_ip: Ipv4 identifier. Integer value and greater than zero.
  
          :return: None
  
          :raise IpNotFoundError: IP is not registered.
          :raise DataBaseError: Networkapi failed to access the database.