AS3561 216.32.40.0/21 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 2048216.32.40.0/24216.32.41.0/24216.32.42.0/24216.32.43.0/24216.32.44.0/24216.32.45.0/24216.32.46.0/24216.32.47.0/24