AS3561 72.35.0.0/21 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 204872.35.0.0/2472.35.1.0/2472.35.2.0/2472.35.3.0/2472.35.4.0/2472.35.5.0/2472.35.6.0/2472.35.7.0/24