211.133.128.0/20 covers 211.133.128.0 to 211.133.143.255, 4,096 IPv4 addresses. It is announced by AS4694 (IDC Frontier Inc.). Every sampled address geolocates to Japan, with 59% in Osaka-shi. 97% of it is registered to a hosting or cloud provider. None of the sampled addresses are flagged as VPN, proxy or Tor.