187.43.128.0/20 covers 187.43.128.0 to 187.43.143.255, 4,096 IPv4 addresses. It is announced by AS22085 (Claro S.A.). Every sampled address geolocates to Brazil, with 100% in Sao Paulo. It is registered to an internet service provider. 6% of sampled addresses are flagged as proxy.