AS721 164.231.21.0/24 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 254Addressable IPs: 256 164.231.21.0164.231.21.1164.231.21.2164.231.21.3164.231.21.4164.231.21.5164.231.21.6164.231.21.7164.231.21.8164.231.21.9164.231.21.10164.231.21.11164.231.21.12164.231.21.13164.231.21.14164.231.21.15164.231.21.16164.231.21.17164.231.21.18164.231.21.19164.231.21.20164.231.21.21164.231.21.22164.231.21.23164.231.21.24164.231.21.25164.231.21.26164.231.21.27164.231.21.28164.231.21.29164.231.21.30164.231.21.31164.231.21.32164.231.21.33164.231.21.34164.231.21.35164.231.21.36164.231.21.37164.231.21.38164.231.21.39164.231.21.40164.231.21.41164.231.21.42164.231.21.43164.231.21.44164.231.21.45164.231.21.46164.231.21.47164.231.21.48164.231.21.49164.231.21.50164.231.21.51164.231.21.52164.231.21.53164.231.21.54164.231.21.55164.231.21.56164.231.21.57164.231.21.58164.231.21.59164.231.21.60164.231.21.61164.231.21.62164.231.21.63164.231.21.64164.231.21.65164.231.21.66164.231.21.67164.231.21.68164.231.21.69164.231.21.70164.231.21.71164.231.21.72164.231.21.73164.231.21.74164.231.21.75164.231.21.76164.231.21.77164.231.21.78164.231.21.79164.231.21.80164.231.21.81164.231.21.82164.231.21.83164.231.21.84164.231.21.85164.231.21.86164.231.21.87164.231.21.88164.231.21.89164.231.21.90164.231.21.91164.231.21.92164.231.21.93164.231.21.94164.231.21.95164.231.21.96164.231.21.97164.231.21.98164.231.21.99164.231.21.100164.231.21.101164.231.21.102164.231.21.103164.231.21.104164.231.21.105164.231.21.106164.231.21.107164.231.21.108164.231.21.109164.231.21.110164.231.21.111164.231.21.112164.231.21.113164.231.21.114164.231.21.115164.231.21.116164.231.21.117164.231.21.118164.231.21.119164.231.21.120164.231.21.121164.231.21.122164.231.21.123164.231.21.124164.231.21.125164.231.21.126164.231.21.127164.231.21.128164.231.21.129164.231.21.130164.231.21.131164.231.21.132164.231.21.133164.231.21.134164.231.21.135164.231.21.136164.231.21.137164.231.21.138164.231.21.139164.231.21.140164.231.21.141164.231.21.142164.231.21.143164.231.21.144164.231.21.145164.231.21.146164.231.21.147164.231.21.148164.231.21.149164.231.21.150164.231.21.151164.231.21.152164.231.21.153164.231.21.154164.231.21.155164.231.21.156164.231.21.157164.231.21.158164.231.21.159164.231.21.160164.231.21.161164.231.21.162164.231.21.163164.231.21.164164.231.21.165164.231.21.166164.231.21.167164.231.21.168164.231.21.169164.231.21.170164.231.21.171164.231.21.172164.231.21.173164.231.21.174164.231.21.175164.231.21.176164.231.21.177164.231.21.178164.231.21.179164.231.21.180164.231.21.181164.231.21.182164.231.21.183164.231.21.184164.231.21.185164.231.21.186164.231.21.187164.231.21.188164.231.21.189164.231.21.190164.231.21.191164.231.21.192164.231.21.193164.231.21.194164.231.21.195164.231.21.196164.231.21.197164.231.21.198164.231.21.199164.231.21.200164.231.21.201164.231.21.202164.231.21.203164.231.21.204164.231.21.205164.231.21.206164.231.21.207164.231.21.208164.231.21.209164.231.21.210164.231.21.211164.231.21.212164.231.21.213164.231.21.214164.231.21.215164.231.21.216164.231.21.217164.231.21.218164.231.21.219164.231.21.220164.231.21.221164.231.21.222164.231.21.223164.231.21.224164.231.21.225164.231.21.226164.231.21.227164.231.21.228164.231.21.229164.231.21.230164.231.21.231164.231.21.232164.231.21.233164.231.21.234164.231.21.235164.231.21.236164.231.21.237164.231.21.238164.231.21.239164.231.21.240164.231.21.241164.231.21.242164.231.21.243164.231.21.244164.231.21.245164.231.21.246164.231.21.247164.231.21.248164.231.21.249164.231.21.250164.231.21.251164.231.21.252164.231.21.253164.231.21.254164.231.21.255