AS23 138.193.139.0/24 CIDR and IP Range Summary.ASN: 23 - National Aeronautics and Space AdministrationHost Count: 254Addressable IPs: 256 138.193.139.0138.193.139.1138.193.139.2138.193.139.3138.193.139.4138.193.139.5138.193.139.6138.193.139.7138.193.139.8138.193.139.9138.193.139.10138.193.139.11138.193.139.12138.193.139.13138.193.139.14138.193.139.15138.193.139.16138.193.139.17138.193.139.18138.193.139.19138.193.139.20138.193.139.21138.193.139.22138.193.139.23138.193.139.24138.193.139.25138.193.139.26138.193.139.27138.193.139.28138.193.139.29138.193.139.30138.193.139.31138.193.139.32138.193.139.33138.193.139.34138.193.139.35138.193.139.36138.193.139.37138.193.139.38138.193.139.39138.193.139.40138.193.139.41138.193.139.42138.193.139.43138.193.139.44138.193.139.45138.193.139.46138.193.139.47138.193.139.48138.193.139.49138.193.139.50138.193.139.51138.193.139.52138.193.139.53138.193.139.54138.193.139.55138.193.139.56138.193.139.57138.193.139.58138.193.139.59138.193.139.60138.193.139.61138.193.139.62138.193.139.63138.193.139.64138.193.139.65138.193.139.66138.193.139.67138.193.139.68138.193.139.69138.193.139.70138.193.139.71138.193.139.72138.193.139.73138.193.139.74138.193.139.75138.193.139.76138.193.139.77138.193.139.78138.193.139.79138.193.139.80138.193.139.81138.193.139.82138.193.139.83138.193.139.84138.193.139.85138.193.139.86138.193.139.87138.193.139.88138.193.139.89138.193.139.90138.193.139.91138.193.139.92138.193.139.93138.193.139.94138.193.139.95138.193.139.96138.193.139.97138.193.139.98138.193.139.99138.193.139.100138.193.139.101138.193.139.102138.193.139.103138.193.139.104138.193.139.105138.193.139.106138.193.139.107138.193.139.108138.193.139.109138.193.139.110138.193.139.111138.193.139.112138.193.139.113138.193.139.114138.193.139.115138.193.139.116138.193.139.117138.193.139.118138.193.139.119138.193.139.120138.193.139.121138.193.139.122138.193.139.123138.193.139.124138.193.139.125138.193.139.126138.193.139.127138.193.139.128138.193.139.129138.193.139.130138.193.139.131138.193.139.132138.193.139.133138.193.139.134138.193.139.135138.193.139.136138.193.139.137138.193.139.138138.193.139.139138.193.139.140138.193.139.141138.193.139.142138.193.139.143138.193.139.144138.193.139.145138.193.139.146138.193.139.147138.193.139.148138.193.139.149138.193.139.150138.193.139.151138.193.139.152138.193.139.153138.193.139.154138.193.139.155138.193.139.156138.193.139.157138.193.139.158138.193.139.159138.193.139.160138.193.139.161138.193.139.162138.193.139.163138.193.139.164138.193.139.165138.193.139.166138.193.139.167138.193.139.168138.193.139.169138.193.139.170138.193.139.171138.193.139.172138.193.139.173138.193.139.174138.193.139.175138.193.139.176138.193.139.177138.193.139.178138.193.139.179138.193.139.180138.193.139.181138.193.139.182138.193.139.183138.193.139.184138.193.139.185138.193.139.186138.193.139.187138.193.139.188138.193.139.189138.193.139.190138.193.139.191138.193.139.192138.193.139.193138.193.139.194138.193.139.195138.193.139.196138.193.139.197138.193.139.198138.193.139.199138.193.139.200138.193.139.201138.193.139.202138.193.139.203138.193.139.204138.193.139.205138.193.139.206138.193.139.207138.193.139.208138.193.139.209138.193.139.210138.193.139.211138.193.139.212138.193.139.213138.193.139.214138.193.139.215138.193.139.216138.193.139.217138.193.139.218138.193.139.219138.193.139.220138.193.139.221138.193.139.222138.193.139.223138.193.139.224138.193.139.225138.193.139.226138.193.139.227138.193.139.228138.193.139.229138.193.139.230138.193.139.231138.193.139.232138.193.139.233138.193.139.234138.193.139.235138.193.139.236138.193.139.237138.193.139.238138.193.139.239138.193.139.240138.193.139.241138.193.139.242138.193.139.243138.193.139.244138.193.139.245138.193.139.246138.193.139.247138.193.139.248138.193.139.249138.193.139.250138.193.139.251138.193.139.252138.193.139.253138.193.139.254138.193.139.255