AS15457 159.255.48.0/20 CIDR and IP Range Summary.ASN: 15457 - NOS Madeira Comunicacoes S.A.Host Count: 4094Addressable IPs: 4096159.255.48.0/24159.255.49.0/24159.255.50.0/24159.255.51.0/24159.255.52.0/24159.255.53.0/24159.255.54.0/24159.255.55.0/24159.255.56.0/24159.255.57.0/24159.255.58.0/24159.255.59.0/24159.255.60.0/24159.255.61.0/24159.255.62.0/24159.255.63.0/24