AS13409 76.76.144.0/20 CIDR and IP Range Summary.ASN: 13409 - Portland InternetworksHost Count: 4094Addressable IPs: 409676.76.144.0/2476.76.145.0/2476.76.146.0/2476.76.147.0/2476.76.148.0/2476.76.149.0/2476.76.150.0/2476.76.151.0/2476.76.152.0/2476.76.153.0/2476.76.154.0/2476.76.155.0/2476.76.156.0/2476.76.157.0/2476.76.158.0/2476.76.159.0/24