121.111.0.0/17 covers 121.111.0.0 to 121.111.127.255, 32,768 IPv4 addresses. It is announced by AS2516 (KDDI Corporation). Every sampled address geolocates to Japan, with 75% in Tokyo. It is registered to an internet service provider. None of the sampled addresses are flagged as VPN, proxy or Tor.