AS13 144.106.64.0/21 CIDR and IP Range Summary.ASN: 13 - Headquarters USAISCHost Count: 2046Addressable IPs: 2048144.106.64.0/24144.106.65.0/24144.106.66.0/24144.106.67.0/24144.106.68.0/24144.106.69.0/24144.106.70.0/24144.106.71.0/24