AS3561 205.216.120.0/21 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 2048205.216.120.0/24205.216.121.0/24205.216.122.0/24205.216.123.0/24205.216.124.0/24205.216.125.0/24205.216.126.0/24205.216.127.0/24