AS23 192.243.0.0/20 CIDR and IP Range Summary.ASN: 23 - National Aeronautics and Space AdministrationHost Count: 4094Addressable IPs: 4096192.243.0.0/24192.243.1.0/24192.243.2.0/24192.243.3.0/24192.243.4.0/24192.243.5.0/24192.243.6.0/24192.243.7.0/24192.243.8.0/24192.243.9.0/24192.243.10.0/24192.243.11.0/24192.243.12.0/24192.243.13.0/24192.243.14.0/24192.243.15.0/24