AS209 71.51.64.0/20 CIDR and IP Range Summary.ASN: 209 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 409671.51.64.0/2471.51.65.0/2471.51.66.0/2471.51.67.0/2471.51.68.0/2471.51.69.0/2471.51.70.0/2471.51.71.0/2471.51.72.0/2471.51.73.0/2471.51.74.0/2471.51.75.0/2471.51.76.0/2471.51.77.0/2471.51.78.0/2471.51.79.0/24