AS521 19.12.144.0/20 CIDR and IP Range Summary.ASN: 521 - Ford Motor CompanyHost Count: 4094Addressable IPs: 409619.12.144.0/2419.12.145.0/2419.12.146.0/2419.12.147.0/2419.12.148.0/2419.12.149.0/2419.12.150.0/2419.12.151.0/2419.12.152.0/2419.12.153.0/2419.12.154.0/2419.12.155.0/2419.12.156.0/2419.12.157.0/2419.12.158.0/2419.12.159.0/24