177.41.176.0/20 covers 177.41.176.0 to 177.41.191.255, 4,096 IPv4 addresses. It is announced by AS18881 (Telefônica Brasil S.A.). Every sampled address geolocates to Brazil, with 50% in Sao Paulo. It is registered to an internet service provider. 3% of sampled addresses are flagged as proxy.