AS23 129.166.32.0/19 CIDR and IP Range Summary.ASN: 23 - National Aeronautics and Space AdministrationHost Count: 8190Addressable IPs: 8192129.166.32.0/24129.166.33.0/24129.166.34.0/24129.166.35.0/24129.166.36.0/24129.166.37.0/24129.166.38.0/24129.166.39.0/24129.166.40.0/24129.166.41.0/24129.166.42.0/24129.166.43.0/24129.166.44.0/24129.166.45.0/24129.166.46.0/24129.166.47.0/24129.166.48.0/24129.166.49.0/24129.166.50.0/24129.166.51.0/24129.166.52.0/24129.166.53.0/24129.166.54.0/24129.166.55.0/24129.166.56.0/24129.166.57.0/24129.166.58.0/24129.166.59.0/24129.166.60.0/24129.166.61.0/24129.166.62.0/24129.166.63.0/24