AS23 138.193.55.0/24 CIDR and IP Range Summary.ASN: 23 - National Aeronautics and Space AdministrationHost Count: 254Addressable IPs: 256 138.193.55.0138.193.55.1138.193.55.2138.193.55.3138.193.55.4138.193.55.5138.193.55.6138.193.55.7138.193.55.8138.193.55.9138.193.55.10138.193.55.11138.193.55.12138.193.55.13138.193.55.14138.193.55.15138.193.55.16138.193.55.17138.193.55.18138.193.55.19138.193.55.20138.193.55.21138.193.55.22138.193.55.23138.193.55.24138.193.55.25138.193.55.26138.193.55.27138.193.55.28138.193.55.29138.193.55.30138.193.55.31138.193.55.32138.193.55.33138.193.55.34138.193.55.35138.193.55.36138.193.55.37138.193.55.38138.193.55.39138.193.55.40138.193.55.41138.193.55.42138.193.55.43138.193.55.44138.193.55.45138.193.55.46138.193.55.47138.193.55.48138.193.55.49138.193.55.50138.193.55.51138.193.55.52138.193.55.53138.193.55.54138.193.55.55138.193.55.56138.193.55.57138.193.55.58138.193.55.59138.193.55.60138.193.55.61138.193.55.62138.193.55.63138.193.55.64138.193.55.65138.193.55.66138.193.55.67138.193.55.68138.193.55.69138.193.55.70138.193.55.71138.193.55.72138.193.55.73138.193.55.74138.193.55.75138.193.55.76138.193.55.77138.193.55.78138.193.55.79138.193.55.80138.193.55.81138.193.55.82138.193.55.83138.193.55.84138.193.55.85138.193.55.86138.193.55.87138.193.55.88138.193.55.89138.193.55.90138.193.55.91138.193.55.92138.193.55.93138.193.55.94138.193.55.95138.193.55.96138.193.55.97138.193.55.98138.193.55.99138.193.55.100138.193.55.101138.193.55.102138.193.55.103138.193.55.104138.193.55.105138.193.55.106138.193.55.107138.193.55.108138.193.55.109138.193.55.110138.193.55.111138.193.55.112138.193.55.113138.193.55.114138.193.55.115138.193.55.116138.193.55.117138.193.55.118138.193.55.119138.193.55.120138.193.55.121138.193.55.122138.193.55.123138.193.55.124138.193.55.125138.193.55.126138.193.55.127138.193.55.128138.193.55.129138.193.55.130138.193.55.131138.193.55.132138.193.55.133138.193.55.134138.193.55.135138.193.55.136138.193.55.137138.193.55.138138.193.55.139138.193.55.140138.193.55.141138.193.55.142138.193.55.143138.193.55.144138.193.55.145138.193.55.146138.193.55.147138.193.55.148138.193.55.149138.193.55.150138.193.55.151138.193.55.152138.193.55.153138.193.55.154138.193.55.155138.193.55.156138.193.55.157138.193.55.158138.193.55.159138.193.55.160138.193.55.161138.193.55.162138.193.55.163138.193.55.164138.193.55.165138.193.55.166138.193.55.167138.193.55.168138.193.55.169138.193.55.170138.193.55.171138.193.55.172138.193.55.173138.193.55.174138.193.55.175138.193.55.176138.193.55.177138.193.55.178138.193.55.179138.193.55.180138.193.55.181138.193.55.182138.193.55.183138.193.55.184138.193.55.185138.193.55.186138.193.55.187138.193.55.188138.193.55.189138.193.55.190138.193.55.191138.193.55.192138.193.55.193138.193.55.194138.193.55.195138.193.55.196138.193.55.197138.193.55.198138.193.55.199138.193.55.200138.193.55.201138.193.55.202138.193.55.203138.193.55.204138.193.55.205138.193.55.206138.193.55.207138.193.55.208138.193.55.209138.193.55.210138.193.55.211138.193.55.212138.193.55.213138.193.55.214138.193.55.215138.193.55.216138.193.55.217138.193.55.218138.193.55.219138.193.55.220138.193.55.221138.193.55.222138.193.55.223138.193.55.224138.193.55.225138.193.55.226138.193.55.227138.193.55.228138.193.55.229138.193.55.230138.193.55.231138.193.55.232138.193.55.233138.193.55.234138.193.55.235138.193.55.236138.193.55.237138.193.55.238138.193.55.239138.193.55.240138.193.55.241138.193.55.242138.193.55.243138.193.55.244138.193.55.245138.193.55.246138.193.55.247138.193.55.248138.193.55.249138.193.55.250138.193.55.251138.193.55.252138.193.55.253138.193.55.254138.193.55.255