AS263135 177.190.72.0/21 CIDR and IP Range Summary.ASN: 263135 - Nova Portonet Telecomunicacoes Ltda MEHost Count: 2046Addressable IPs: 2048177.190.72.0/24177.190.73.0/24177.190.74.0/24177.190.75.0/24177.190.76.0/24177.190.77.0/24177.190.78.0/24177.190.79.0/24