AS721 143.249.48.0/20 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 4094Addressable IPs: 4096143.249.48.0/24143.249.49.0/24143.249.50.0/24143.249.51.0/24143.249.52.0/24143.249.53.0/24143.249.54.0/24143.249.55.0/24143.249.56.0/24143.249.57.0/24143.249.58.0/24143.249.59.0/24143.249.60.0/24143.249.61.0/24143.249.62.0/24143.249.63.0/24