AS209 74.4.232.0/21 CIDR and IP Range Summary.ASN: 209 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 204874.4.232.0/2474.4.233.0/2474.4.234.0/2474.4.235.0/2474.4.236.0/2474.4.237.0/2474.4.238.0/2474.4.239.0/24