AS3561 64.240.232.0/21 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 204864.240.232.0/2464.240.233.0/2464.240.234.0/2464.240.235.0/2464.240.236.0/2464.240.237.0/2464.240.238.0/2464.240.239.0/24