AS3561 216.136.176.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096216.136.176.0/24216.136.177.0/24216.136.178.0/24216.136.179.0/24216.136.180.0/24216.136.181.0/24216.136.182.0/24216.136.183.0/24216.136.184.0/24216.136.185.0/24216.136.186.0/24216.136.187.0/24216.136.188.0/24216.136.189.0/24216.136.190.0/24216.136.191.0/24