61.204.128.0/17 covers 61.204.128.0 to 61.204.255.255, 32,768 IPv4 addresses. It is announced by AS2516 (KDDI Corporation). Every sampled address geolocates to Japan, with 44% in Tokyo. 75% of it is registered to an internet service provider. None of the sampled addresses are flagged as VPN, proxy or Tor.