AS23 138.193.171.0/24 CIDR and IP Range Summary.ASN: 23 - National Aeronautics and Space AdministrationHost Count: 254Addressable IPs: 256 138.193.171.0138.193.171.1138.193.171.2138.193.171.3138.193.171.4138.193.171.5138.193.171.6138.193.171.7138.193.171.8138.193.171.9138.193.171.10138.193.171.11138.193.171.12138.193.171.13138.193.171.14138.193.171.15138.193.171.16138.193.171.17138.193.171.18138.193.171.19138.193.171.20138.193.171.21138.193.171.22138.193.171.23138.193.171.24138.193.171.25138.193.171.26138.193.171.27138.193.171.28138.193.171.29138.193.171.30138.193.171.31138.193.171.32138.193.171.33138.193.171.34138.193.171.35138.193.171.36138.193.171.37138.193.171.38138.193.171.39138.193.171.40138.193.171.41138.193.171.42138.193.171.43138.193.171.44138.193.171.45138.193.171.46138.193.171.47138.193.171.48138.193.171.49138.193.171.50138.193.171.51138.193.171.52138.193.171.53138.193.171.54138.193.171.55138.193.171.56138.193.171.57138.193.171.58138.193.171.59138.193.171.60138.193.171.61138.193.171.62138.193.171.63138.193.171.64138.193.171.65138.193.171.66138.193.171.67138.193.171.68138.193.171.69138.193.171.70138.193.171.71138.193.171.72138.193.171.73138.193.171.74138.193.171.75138.193.171.76138.193.171.77138.193.171.78138.193.171.79138.193.171.80138.193.171.81138.193.171.82138.193.171.83138.193.171.84138.193.171.85138.193.171.86138.193.171.87138.193.171.88138.193.171.89138.193.171.90138.193.171.91138.193.171.92138.193.171.93138.193.171.94138.193.171.95138.193.171.96138.193.171.97138.193.171.98138.193.171.99138.193.171.100138.193.171.101138.193.171.102138.193.171.103138.193.171.104138.193.171.105138.193.171.106138.193.171.107138.193.171.108138.193.171.109138.193.171.110138.193.171.111138.193.171.112138.193.171.113138.193.171.114138.193.171.115138.193.171.116138.193.171.117138.193.171.118138.193.171.119138.193.171.120138.193.171.121138.193.171.122138.193.171.123138.193.171.124138.193.171.125138.193.171.126138.193.171.127138.193.171.128138.193.171.129138.193.171.130138.193.171.131138.193.171.132138.193.171.133138.193.171.134138.193.171.135138.193.171.136138.193.171.137138.193.171.138138.193.171.139138.193.171.140138.193.171.141138.193.171.142138.193.171.143138.193.171.144138.193.171.145138.193.171.146138.193.171.147138.193.171.148138.193.171.149138.193.171.150138.193.171.151138.193.171.152138.193.171.153138.193.171.154138.193.171.155138.193.171.156138.193.171.157138.193.171.158138.193.171.159138.193.171.160138.193.171.161138.193.171.162138.193.171.163138.193.171.164138.193.171.165138.193.171.166138.193.171.167138.193.171.168138.193.171.169138.193.171.170138.193.171.171138.193.171.172138.193.171.173138.193.171.174138.193.171.175138.193.171.176138.193.171.177138.193.171.178138.193.171.179138.193.171.180138.193.171.181138.193.171.182138.193.171.183138.193.171.184138.193.171.185138.193.171.186138.193.171.187138.193.171.188138.193.171.189138.193.171.190138.193.171.191138.193.171.192138.193.171.193138.193.171.194138.193.171.195138.193.171.196138.193.171.197138.193.171.198138.193.171.199138.193.171.200138.193.171.201138.193.171.202138.193.171.203138.193.171.204138.193.171.205138.193.171.206138.193.171.207138.193.171.208138.193.171.209138.193.171.210138.193.171.211138.193.171.212138.193.171.213138.193.171.214138.193.171.215138.193.171.216138.193.171.217138.193.171.218138.193.171.219138.193.171.220138.193.171.221138.193.171.222138.193.171.223138.193.171.224138.193.171.225138.193.171.226138.193.171.227138.193.171.228138.193.171.229138.193.171.230138.193.171.231138.193.171.232138.193.171.233138.193.171.234138.193.171.235138.193.171.236138.193.171.237138.193.171.238138.193.171.239138.193.171.240138.193.171.241138.193.171.242138.193.171.243138.193.171.244138.193.171.245138.193.171.246138.193.171.247138.193.171.248138.193.171.249138.193.171.250138.193.171.251138.193.171.252138.193.171.253138.193.171.254138.193.171.255