AS721 143.157.0.0/19 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 8190Addressable IPs: 8192143.157.0.0/24143.157.1.0/24143.157.2.0/24143.157.3.0/24143.157.4.0/24143.157.5.0/24143.157.6.0/24143.157.7.0/24143.157.8.0/24143.157.9.0/24143.157.10.0/24143.157.11.0/24143.157.12.0/24143.157.13.0/24143.157.14.0/24143.157.15.0/24143.157.16.0/24143.157.17.0/24143.157.18.0/24143.157.19.0/24143.157.20.0/24143.157.21.0/24143.157.22.0/24143.157.23.0/24143.157.24.0/24143.157.25.0/24143.157.26.0/24143.157.27.0/24143.157.28.0/24143.157.29.0/24143.157.30.0/24143.157.31.0/24