AS13 144.107.48.0/20 CIDR and IP Range Summary.ASN: 13 - Headquarters USAISCHost Count: 4094Addressable IPs: 4096144.107.48.0/24144.107.49.0/24144.107.50.0/24144.107.51.0/24144.107.52.0/24144.107.53.0/24144.107.54.0/24144.107.55.0/24144.107.56.0/24144.107.57.0/24144.107.58.0/24144.107.59.0/24144.107.60.0/24144.107.61.0/24144.107.62.0/24144.107.63.0/24