AS18566 74.1.48.0/21 CIDR and IP Range Summary.ASN: 18566 - GTTHost Count: 2046Addressable IPs: 204874.1.48.0/2474.1.49.0/2474.1.50.0/2474.1.51.0/2474.1.52.0/2474.1.53.0/2474.1.54.0/2474.1.55.0/24