AS3561 216.89.232.0/21 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 2048216.89.232.0/24216.89.233.0/24216.89.234.0/24216.89.235.0/24216.89.236.0/24216.89.237.0/24216.89.238.0/24216.89.239.0/24