177.61.64.0/18 covers 177.61.64.0 to 177.61.127.255, 16,384 IPv4 addresses. It is announced by AS26599 (Telefônica Brasil S.A.). Every sampled address geolocates to Brazil, with 100% in Sao Paulo. It is registered to an internet service provider. None of the sampled addresses are flagged as VPN, proxy or Tor.