AS3561 216.74.176.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096216.74.176.0/24216.74.177.0/24216.74.178.0/24216.74.179.0/24216.74.180.0/24216.74.181.0/24216.74.182.0/24216.74.183.0/24216.74.184.0/24216.74.185.0/24216.74.186.0/24216.74.187.0/24216.74.188.0/24216.74.189.0/24216.74.190.0/24216.74.191.0/24