AS721 205.90.16.0/20 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 4094Addressable IPs: 4096205.90.16.0/24205.90.17.0/24205.90.18.0/24205.90.19.0/24205.90.20.0/24205.90.21.0/24205.90.22.0/24205.90.23.0/24205.90.24.0/24205.90.25.0/24205.90.26.0/24205.90.27.0/24205.90.28.0/24205.90.29.0/24205.90.30.0/24205.90.31.0/24