AS3561 64.243.224.0/19 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 8190Addressable IPs: 819264.243.224.0/2464.243.225.0/2464.243.226.0/2464.243.227.0/2464.243.228.0/2464.243.229.0/2464.243.230.0/2464.243.231.0/2464.243.232.0/2464.243.233.0/2464.243.234.0/2464.243.235.0/2464.243.236.0/2464.243.237.0/2464.243.238.0/2464.243.239.0/2464.243.240.0/2464.243.241.0/2464.243.242.0/2464.243.243.0/2464.243.244.0/2464.243.245.0/2464.243.246.0/2464.243.247.0/2464.243.248.0/2464.243.249.0/2464.243.250.0/2464.243.251.0/2464.243.252.0/2464.243.253.0/2464.243.254.0/2464.243.255.0/24