AS3561 205.216.0.0/21 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 2048205.216.0.0/24205.216.1.0/24205.216.2.0/24205.216.3.0/24205.216.4.0/24205.216.5.0/24205.216.6.0/24205.216.7.0/24