103.21.140.0/23 covers 103.21.140.0 to 103.21.141.255, 512 IPv4 addresses. It is announced by AS4811 (China Telecom Group Corporation Shanghai Company). Every sampled address geolocates to China, with 100% in Shanghai. It is registered to an internet service provider. None of the sampled addresses are flagged as VPN, proxy or Tor.