177.158.32.0/19 covers 177.158.32.0 to 177.158.63.255, 8,192 IPv4 addresses. It is announced by AS18881 (Telefônica Brasil S.A.). Every sampled address geolocates to Brazil, with 56% in Rio de Janeiro. It is registered to an internet service provider. None of the sampled addresses are flagged as VPN, proxy or Tor.