AS3561 204.71.240.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096204.71.240.0/24204.71.241.0/24204.71.242.0/24204.71.243.0/24204.71.244.0/24204.71.245.0/24204.71.246.0/24204.71.247.0/24204.71.248.0/24204.71.249.0/24204.71.250.0/24204.71.251.0/24204.71.252.0/24204.71.253.0/24204.71.254.0/24204.71.255.0/24