AS521 128.5.16.0/20 CIDR and IP Range Summary.ASN: 521 - Ford Motor CompanyHost Count: 4094Addressable IPs: 4096128.5.16.0/24128.5.17.0/24128.5.18.0/24128.5.19.0/24128.5.20.0/24128.5.21.0/24128.5.22.0/24128.5.23.0/24128.5.24.0/24128.5.25.0/24128.5.26.0/24128.5.27.0/24128.5.28.0/24128.5.29.0/24128.5.30.0/24128.5.31.0/24