ASN 28130 - Certto Telecomunicacoes Ltda Epp.Organization : Certto Telecomunicacoes Ltda Epp.Total Countries Listed: 1Total IP Ranges Listed: 6Brazil - IP Ranges: 6IP Range List138.99.248.0/22143.208.40.0/22170.150.164.0/22186.227.96.0/20186.251.144.0/21187.19.96.0/20