AS521 19.12.24.0/21 CIDR and IP Range Summary.ASN: 521 - Ford Motor CompanyHost Count: 2046Addressable IPs: 204819.12.24.0/2419.12.25.0/2419.12.26.0/2419.12.27.0/2419.12.28.0/2419.12.29.0/2419.12.30.0/2419.12.31.0/24