AS3561 216.32.48.0/21 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 2048216.32.48.0/24216.32.49.0/24216.32.50.0/24216.32.51.0/24216.32.52.0/24216.32.53.0/24216.32.54.0/24216.32.55.0/24