AS23 129.166.128.0/17 CIDR and IP Range Summary.ASN: 23 - National Aeronautics and Space AdministrationHost Count: 32766Addressable IPs: 32768129.166.128.0/24129.166.129.0/24129.166.130.0/24129.166.131.0/24129.166.132.0/24129.166.133.0/24129.166.134.0/24129.166.135.0/24129.166.136.0/24129.166.137.0/24129.166.138.0/24129.166.139.0/24129.166.140.0/24129.166.141.0/24129.166.142.0/24129.166.143.0/24129.166.144.0/24129.166.145.0/24129.166.146.0/24129.166.147.0/24129.166.148.0/24129.166.149.0/24129.166.150.0/24129.166.151.0/24129.166.152.0/24129.166.153.0/24129.166.154.0/24129.166.155.0/24129.166.156.0/24129.166.157.0/24129.166.158.0/24129.166.159.0/24129.166.160.0/24129.166.161.0/24129.166.162.0/24129.166.163.0/24129.166.164.0/24129.166.165.0/24129.166.166.0/24129.166.167.0/24129.166.168.0/24129.166.169.0/24129.166.170.0/24129.166.171.0/24129.166.172.0/24129.166.173.0/24129.166.174.0/24129.166.175.0/24129.166.176.0/24129.166.177.0/24129.166.178.0/24129.166.179.0/24129.166.180.0/24129.166.181.0/24129.166.182.0/24129.166.183.0/24129.166.184.0/24129.166.185.0/24129.166.186.0/24129.166.187.0/24129.166.188.0/24129.166.189.0/24129.166.190.0/24129.166.191.0/24129.166.192.0/24129.166.193.0/24129.166.194.0/24129.166.195.0/24129.166.196.0/24129.166.197.0/24129.166.198.0/24129.166.199.0/24129.166.200.0/24129.166.201.0/24129.166.202.0/24129.166.203.0/24129.166.204.0/24129.166.205.0/24129.166.206.0/24129.166.207.0/24129.166.208.0/24129.166.209.0/24129.166.210.0/24129.166.211.0/24129.166.212.0/24129.166.213.0/24129.166.214.0/24129.166.215.0/24129.166.216.0/24129.166.217.0/24129.166.218.0/24129.166.219.0/24129.166.220.0/24129.166.221.0/24129.166.222.0/24129.166.223.0/24129.166.224.0/24129.166.225.0/24129.166.226.0/24129.166.227.0/24129.166.228.0/24129.166.229.0/24129.166.230.0/24129.166.231.0/24129.166.232.0/24129.166.233.0/24129.166.234.0/24129.166.235.0/24129.166.236.0/24129.166.237.0/24129.166.238.0/24129.166.239.0/24129.166.240.0/24129.166.241.0/24129.166.242.0/24129.166.243.0/24129.166.244.0/24129.166.245.0/24129.166.246.0/24129.166.247.0/24129.166.248.0/24129.166.249.0/24129.166.250.0/24129.166.251.0/24129.166.252.0/24129.166.253.0/24129.166.254.0/24129.166.255.0/24