AS61 198.218.144.0/21 CIDR and IP Range Summary.ASN: 61 - Air Force Systems NetworkingHost Count: 2046Addressable IPs: 2048198.218.144.0/24198.218.145.0/24198.218.146.0/24198.218.147.0/24198.218.148.0/24198.218.149.0/24198.218.150.0/24198.218.151.0/24