code: def remote_route(self):
          
          proxy = self.environ.get('HTTP_X_FORWARDED_FOR')
          if proxy: return [ip.strip() for ip in proxy.split(',')]
          remote = self.environ.get('REMOTE_ADDR')
          return [remote] if remote else []
docs: A list of all IPs that were involved in this request, starting with
              the client IP and followed by zero or more proxies. This does only
              work if all proxies support the ```X-Forwarded-For`` header. Note
              that this information can be forged by malicious clients.