code: def get_ipv4(self, id_ip):
          
  
          if not is_valid_int_param(id_ip):
              raise InvalidParameterError(
                  u'The IPv4 identifier is invalid or was not informed.')
  
          url = 'ip/get-ipv4/' + str(id_ip) + '/'
  
          code, xml = self.submit(None, 'GET', url)
  
          key = 'ipv4'
          return get_list_map(self.response(code, xml, ["equipamentos"]), key)
docs: Get IPv4 by id.
  
          :param id_ip: ID of IPv4.
  
          :return: Dictionary with the following structure:
  
          ::
  
              {'ip': {'id': < id >,
              'networkipv4': < networkipv4 >,
              'oct4': < oct4 >,
              'oct3': < oct3 >,
              'oct2': < oct2 >,
              'oct1': < oct1 >,
              'descricao': < descricao >,
              'equipamentos': [ { all name of equipments related } ] , }}
  
          :raise IpNaoExisteError: IP is not registered.
          :raise InvalidParameterError: IP identifier is null or invalid.
          :raise DataBaseError: Networkapi failed to access the database.
          :raise XMLError: Networkapi failed to generate the XML response.