AS23 138.193.19.0/24 CIDR and IP Range Summary.ASN: 23 - National Aeronautics and Space AdministrationHost Count: 254Addressable IPs: 256 138.193.19.0138.193.19.1138.193.19.2138.193.19.3138.193.19.4138.193.19.5138.193.19.6138.193.19.7138.193.19.8138.193.19.9138.193.19.10138.193.19.11138.193.19.12138.193.19.13138.193.19.14138.193.19.15138.193.19.16138.193.19.17138.193.19.18138.193.19.19138.193.19.20138.193.19.21138.193.19.22138.193.19.23138.193.19.24138.193.19.25138.193.19.26138.193.19.27138.193.19.28138.193.19.29138.193.19.30138.193.19.31138.193.19.32138.193.19.33138.193.19.34138.193.19.35138.193.19.36138.193.19.37138.193.19.38138.193.19.39138.193.19.40138.193.19.41138.193.19.42138.193.19.43138.193.19.44138.193.19.45138.193.19.46138.193.19.47138.193.19.48138.193.19.49138.193.19.50138.193.19.51138.193.19.52138.193.19.53138.193.19.54138.193.19.55138.193.19.56138.193.19.57138.193.19.58138.193.19.59138.193.19.60138.193.19.61138.193.19.62138.193.19.63138.193.19.64138.193.19.65138.193.19.66138.193.19.67138.193.19.68138.193.19.69138.193.19.70138.193.19.71138.193.19.72138.193.19.73138.193.19.74138.193.19.75138.193.19.76138.193.19.77138.193.19.78138.193.19.79138.193.19.80138.193.19.81138.193.19.82138.193.19.83138.193.19.84138.193.19.85138.193.19.86138.193.19.87138.193.19.88138.193.19.89138.193.19.90138.193.19.91138.193.19.92138.193.19.93138.193.19.94138.193.19.95138.193.19.96138.193.19.97138.193.19.98138.193.19.99138.193.19.100138.193.19.101138.193.19.102138.193.19.103138.193.19.104138.193.19.105138.193.19.106138.193.19.107138.193.19.108138.193.19.109138.193.19.110138.193.19.111138.193.19.112138.193.19.113138.193.19.114138.193.19.115138.193.19.116138.193.19.117138.193.19.118138.193.19.119138.193.19.120138.193.19.121138.193.19.122138.193.19.123138.193.19.124138.193.19.125138.193.19.126138.193.19.127138.193.19.128138.193.19.129138.193.19.130138.193.19.131138.193.19.132138.193.19.133138.193.19.134138.193.19.135138.193.19.136138.193.19.137138.193.19.138138.193.19.139138.193.19.140138.193.19.141138.193.19.142138.193.19.143138.193.19.144138.193.19.145138.193.19.146138.193.19.147138.193.19.148138.193.19.149138.193.19.150138.193.19.151138.193.19.152138.193.19.153138.193.19.154138.193.19.155138.193.19.156138.193.19.157138.193.19.158138.193.19.159138.193.19.160138.193.19.161138.193.19.162138.193.19.163138.193.19.164138.193.19.165138.193.19.166138.193.19.167138.193.19.168138.193.19.169138.193.19.170138.193.19.171138.193.19.172138.193.19.173138.193.19.174138.193.19.175138.193.19.176138.193.19.177138.193.19.178138.193.19.179138.193.19.180138.193.19.181138.193.19.182138.193.19.183138.193.19.184138.193.19.185138.193.19.186138.193.19.187138.193.19.188138.193.19.189138.193.19.190138.193.19.191138.193.19.192138.193.19.193138.193.19.194138.193.19.195138.193.19.196138.193.19.197138.193.19.198138.193.19.199138.193.19.200138.193.19.201138.193.19.202138.193.19.203138.193.19.204138.193.19.205138.193.19.206138.193.19.207138.193.19.208138.193.19.209138.193.19.210138.193.19.211138.193.19.212138.193.19.213138.193.19.214138.193.19.215138.193.19.216138.193.19.217138.193.19.218138.193.19.219138.193.19.220138.193.19.221138.193.19.222138.193.19.223138.193.19.224138.193.19.225138.193.19.226138.193.19.227138.193.19.228138.193.19.229138.193.19.230138.193.19.231138.193.19.232138.193.19.233138.193.19.234138.193.19.235138.193.19.236138.193.19.237138.193.19.238138.193.19.239138.193.19.240138.193.19.241138.193.19.242138.193.19.243138.193.19.244138.193.19.245138.193.19.246138.193.19.247138.193.19.248138.193.19.249138.193.19.250138.193.19.251138.193.19.252138.193.19.253138.193.19.254138.193.19.255