AS3561 204.71.64.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096204.71.64.0/24204.71.65.0/24204.71.66.0/24204.71.67.0/24204.71.68.0/24204.71.69.0/24204.71.70.0/24204.71.71.0/24204.71.72.0/24204.71.73.0/24204.71.74.0/24204.71.75.0/24204.71.76.0/24204.71.77.0/24204.71.78.0/24204.71.79.0/24