211.238.16.0/20 covers 211.238.16.0 to 211.238.31.255, 4,096 IPv4 addresses. It is announced by AS9848 (Sejong Telecom Co., Ltd.). Every sampled address geolocates to South Korea, with 75% in Gwacheon-si. It is registered to a hosting or cloud provider. None of the sampled addresses are flagged as VPN, proxy or Tor.