AS3561 208.144.240.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096208.144.240.0/24208.144.241.0/24208.144.242.0/24208.144.243.0/24208.144.244.0/24208.144.245.0/24208.144.246.0/24208.144.247.0/24208.144.248.0/24208.144.249.0/24208.144.250.0/24208.144.251.0/24208.144.252.0/24208.144.253.0/24208.144.254.0/24208.144.255.0/24