AS209 204.134.240.0/21 CIDR and IP Range Summary.ASN: 209 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 2048204.134.240.0/24204.134.241.0/24204.134.242.0/24204.134.243.0/24204.134.244.0/24204.134.245.0/24204.134.246.0/24204.134.247.0/24