200.171.128.0/19 covers 200.171.128.0 to 200.171.159.255, 8,192 IPv4 addresses. It is announced by AS27699 (Telefônica Brasil S.A.). Every sampled address geolocates to Brazil, with 88% in Sao Paulo. It is registered to an internet service provider. None of the sampled addresses are flagged as VPN, proxy or Tor.