AS23 138.193.54.0/24 CIDR and IP Range Summary.ASN: 23 - National Aeronautics and Space AdministrationHost Count: 254Addressable IPs: 256 138.193.54.0138.193.54.1138.193.54.2138.193.54.3138.193.54.4138.193.54.5138.193.54.6138.193.54.7138.193.54.8138.193.54.9138.193.54.10138.193.54.11138.193.54.12138.193.54.13138.193.54.14138.193.54.15138.193.54.16138.193.54.17138.193.54.18138.193.54.19138.193.54.20138.193.54.21138.193.54.22138.193.54.23138.193.54.24138.193.54.25138.193.54.26138.193.54.27138.193.54.28138.193.54.29138.193.54.30138.193.54.31138.193.54.32138.193.54.33138.193.54.34138.193.54.35138.193.54.36138.193.54.37138.193.54.38138.193.54.39138.193.54.40138.193.54.41138.193.54.42138.193.54.43138.193.54.44138.193.54.45138.193.54.46138.193.54.47138.193.54.48138.193.54.49138.193.54.50138.193.54.51138.193.54.52138.193.54.53138.193.54.54138.193.54.55138.193.54.56138.193.54.57138.193.54.58138.193.54.59138.193.54.60138.193.54.61138.193.54.62138.193.54.63138.193.54.64138.193.54.65138.193.54.66138.193.54.67138.193.54.68138.193.54.69138.193.54.70138.193.54.71138.193.54.72138.193.54.73138.193.54.74138.193.54.75138.193.54.76138.193.54.77138.193.54.78138.193.54.79138.193.54.80138.193.54.81138.193.54.82138.193.54.83138.193.54.84138.193.54.85138.193.54.86138.193.54.87138.193.54.88138.193.54.89138.193.54.90138.193.54.91138.193.54.92138.193.54.93138.193.54.94138.193.54.95138.193.54.96138.193.54.97138.193.54.98138.193.54.99138.193.54.100138.193.54.101138.193.54.102138.193.54.103138.193.54.104138.193.54.105138.193.54.106138.193.54.107138.193.54.108138.193.54.109138.193.54.110138.193.54.111138.193.54.112138.193.54.113138.193.54.114138.193.54.115138.193.54.116138.193.54.117138.193.54.118138.193.54.119138.193.54.120138.193.54.121138.193.54.122138.193.54.123138.193.54.124138.193.54.125138.193.54.126138.193.54.127138.193.54.128138.193.54.129138.193.54.130138.193.54.131138.193.54.132138.193.54.133138.193.54.134138.193.54.135138.193.54.136138.193.54.137138.193.54.138138.193.54.139138.193.54.140138.193.54.141138.193.54.142138.193.54.143138.193.54.144138.193.54.145138.193.54.146138.193.54.147138.193.54.148138.193.54.149138.193.54.150138.193.54.151138.193.54.152138.193.54.153138.193.54.154138.193.54.155138.193.54.156138.193.54.157138.193.54.158138.193.54.159138.193.54.160138.193.54.161138.193.54.162138.193.54.163138.193.54.164138.193.54.165138.193.54.166138.193.54.167138.193.54.168138.193.54.169138.193.54.170138.193.54.171138.193.54.172138.193.54.173138.193.54.174138.193.54.175138.193.54.176138.193.54.177138.193.54.178138.193.54.179138.193.54.180138.193.54.181138.193.54.182138.193.54.183138.193.54.184138.193.54.185138.193.54.186138.193.54.187138.193.54.188138.193.54.189138.193.54.190138.193.54.191138.193.54.192138.193.54.193138.193.54.194138.193.54.195138.193.54.196138.193.54.197138.193.54.198138.193.54.199138.193.54.200138.193.54.201138.193.54.202138.193.54.203138.193.54.204138.193.54.205138.193.54.206138.193.54.207138.193.54.208138.193.54.209138.193.54.210138.193.54.211138.193.54.212138.193.54.213138.193.54.214138.193.54.215138.193.54.216138.193.54.217138.193.54.218138.193.54.219138.193.54.220138.193.54.221138.193.54.222138.193.54.223138.193.54.224138.193.54.225138.193.54.226138.193.54.227138.193.54.228138.193.54.229138.193.54.230138.193.54.231138.193.54.232138.193.54.233138.193.54.234138.193.54.235138.193.54.236138.193.54.237138.193.54.238138.193.54.239138.193.54.240138.193.54.241138.193.54.242138.193.54.243138.193.54.244138.193.54.245138.193.54.246138.193.54.247138.193.54.248138.193.54.249138.193.54.250138.193.54.251138.193.54.252138.193.54.253138.193.54.254138.193.54.255