AS3561 206.31.224.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096206.31.224.0/24206.31.225.0/24206.31.226.0/24206.31.227.0/24206.31.228.0/24206.31.229.0/24206.31.230.0/24206.31.231.0/24206.31.232.0/24206.31.233.0/24206.31.234.0/24206.31.235.0/24206.31.236.0/24206.31.237.0/24206.31.238.0/24206.31.239.0/24