AS3561 206.31.160.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096206.31.160.0/24206.31.161.0/24206.31.162.0/24206.31.163.0/24206.31.164.0/24206.31.165.0/24206.31.166.0/24206.31.167.0/24206.31.168.0/24206.31.169.0/24206.31.170.0/24206.31.171.0/24206.31.172.0/24206.31.173.0/24206.31.174.0/24206.31.175.0/24