210.51.238.0/23 covers 210.51.238.0 to 210.51.239.255, 512 IPv4 addresses. It is announced by AS9929 (China Unicom). Every sampled address geolocates to China, with 50% in Ningbo. 69% of it is registered to a government network. None of the sampled addresses are flagged as VPN, proxy or Tor.