AS3561 216.219.64.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096216.219.64.0/24216.219.65.0/24216.219.66.0/24216.219.67.0/24216.219.68.0/24216.219.69.0/24216.219.70.0/24216.219.71.0/24216.219.72.0/24216.219.73.0/24216.219.74.0/24216.219.75.0/24216.219.76.0/24216.219.77.0/24216.219.78.0/24216.219.79.0/24