AS23 138.193.16.0/24 CIDR and IP Range Summary.ASN: 23 - National Aeronautics and Space AdministrationHost Count: 254Addressable IPs: 256 138.193.16.0138.193.16.1138.193.16.2138.193.16.3138.193.16.4138.193.16.5138.193.16.6138.193.16.7138.193.16.8138.193.16.9138.193.16.10138.193.16.11138.193.16.12138.193.16.13138.193.16.14138.193.16.15138.193.16.16138.193.16.17138.193.16.18138.193.16.19138.193.16.20138.193.16.21138.193.16.22138.193.16.23138.193.16.24138.193.16.25138.193.16.26138.193.16.27138.193.16.28138.193.16.29138.193.16.30138.193.16.31138.193.16.32138.193.16.33138.193.16.34138.193.16.35138.193.16.36138.193.16.37138.193.16.38138.193.16.39138.193.16.40138.193.16.41138.193.16.42138.193.16.43138.193.16.44138.193.16.45138.193.16.46138.193.16.47138.193.16.48138.193.16.49138.193.16.50138.193.16.51138.193.16.52138.193.16.53138.193.16.54138.193.16.55138.193.16.56138.193.16.57138.193.16.58138.193.16.59138.193.16.60138.193.16.61138.193.16.62138.193.16.63138.193.16.64138.193.16.65138.193.16.66138.193.16.67138.193.16.68138.193.16.69138.193.16.70138.193.16.71138.193.16.72138.193.16.73138.193.16.74138.193.16.75138.193.16.76138.193.16.77138.193.16.78138.193.16.79138.193.16.80138.193.16.81138.193.16.82138.193.16.83138.193.16.84138.193.16.85138.193.16.86138.193.16.87138.193.16.88138.193.16.89138.193.16.90138.193.16.91138.193.16.92138.193.16.93138.193.16.94138.193.16.95138.193.16.96138.193.16.97138.193.16.98138.193.16.99138.193.16.100138.193.16.101138.193.16.102138.193.16.103138.193.16.104138.193.16.105138.193.16.106138.193.16.107138.193.16.108138.193.16.109138.193.16.110138.193.16.111138.193.16.112138.193.16.113138.193.16.114138.193.16.115138.193.16.116138.193.16.117138.193.16.118138.193.16.119138.193.16.120138.193.16.121138.193.16.122138.193.16.123138.193.16.124138.193.16.125138.193.16.126138.193.16.127138.193.16.128138.193.16.129138.193.16.130138.193.16.131138.193.16.132138.193.16.133138.193.16.134138.193.16.135138.193.16.136138.193.16.137138.193.16.138138.193.16.139138.193.16.140138.193.16.141138.193.16.142138.193.16.143138.193.16.144138.193.16.145138.193.16.146138.193.16.147138.193.16.148138.193.16.149138.193.16.150138.193.16.151138.193.16.152138.193.16.153138.193.16.154138.193.16.155138.193.16.156138.193.16.157138.193.16.158138.193.16.159138.193.16.160138.193.16.161138.193.16.162138.193.16.163138.193.16.164138.193.16.165138.193.16.166138.193.16.167138.193.16.168138.193.16.169138.193.16.170138.193.16.171138.193.16.172138.193.16.173138.193.16.174138.193.16.175138.193.16.176138.193.16.177138.193.16.178138.193.16.179138.193.16.180138.193.16.181138.193.16.182138.193.16.183138.193.16.184138.193.16.185138.193.16.186138.193.16.187138.193.16.188138.193.16.189138.193.16.190138.193.16.191138.193.16.192138.193.16.193138.193.16.194138.193.16.195138.193.16.196138.193.16.197138.193.16.198138.193.16.199138.193.16.200138.193.16.201138.193.16.202138.193.16.203138.193.16.204138.193.16.205138.193.16.206138.193.16.207138.193.16.208138.193.16.209138.193.16.210138.193.16.211138.193.16.212138.193.16.213138.193.16.214138.193.16.215138.193.16.216138.193.16.217138.193.16.218138.193.16.219138.193.16.220138.193.16.221138.193.16.222138.193.16.223138.193.16.224138.193.16.225138.193.16.226138.193.16.227138.193.16.228138.193.16.229138.193.16.230138.193.16.231138.193.16.232138.193.16.233138.193.16.234138.193.16.235138.193.16.236138.193.16.237138.193.16.238138.193.16.239138.193.16.240138.193.16.241138.193.16.242138.193.16.243138.193.16.244138.193.16.245138.193.16.246138.193.16.247138.193.16.248138.193.16.249138.193.16.250138.193.16.251138.193.16.252138.193.16.253138.193.16.254138.193.16.255