AS209 72.166.88.0/21 CIDR and IP Range Summary.ASN: 209 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 204872.166.88.0/2472.166.89.0/2472.166.90.0/2472.166.91.0/2472.166.92.0/2472.166.93.0/2472.166.94.0/2472.166.95.0/24