223.221.128.0/17 covers 223.221.128.0 to 223.221.255.255, 32,768 IPv4 addresses. It is announced by AS140061 (China Telecom Corporation Limited). Every sampled address geolocates to China, with 38% in Xining. It is registered to an internet service provider. None of the sampled addresses are flagged as VPN, proxy or Tor.