AS209 66.77.208.0/21 CIDR and IP Range Summary.ASN: 209 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 204866.77.208.0/2466.77.209.0/2466.77.210.0/2466.77.211.0/2466.77.212.0/2466.77.213.0/2466.77.214.0/2466.77.215.0/24