AS3561 216.144.64.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096216.144.64.0/24216.144.65.0/24216.144.66.0/24216.144.67.0/24216.144.68.0/24216.144.69.0/24216.144.70.0/24216.144.71.0/24216.144.72.0/24216.144.73.0/24216.144.74.0/24216.144.75.0/24216.144.76.0/24216.144.77.0/24216.144.78.0/24216.144.79.0/24