AS18494 71.51.208.0/21 CIDR and IP Range Summary.ASN: 18494 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 204871.51.208.0/2471.51.209.0/2471.51.210.0/2471.51.211.0/2471.51.212.0/2471.51.213.0/2471.51.214.0/2471.51.215.0/24