219.245.0.0/16 covers 219.245.0.0 to 219.245.255.255, 65,536 IPv4 addresses. It is announced by AS4538 (China Education and Research Network CERNET). Every sampled address geolocates to China, with 69% in Xi'an. It is registered to an education network. None of the sampled addresses are flagged as VPN, proxy or Tor.