AS3561 206.28.160.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096206.28.160.0/24206.28.161.0/24206.28.162.0/24206.28.163.0/24206.28.164.0/24206.28.165.0/24206.28.166.0/24206.28.167.0/24206.28.168.0/24206.28.169.0/24206.28.170.0/24206.28.171.0/24206.28.172.0/24206.28.173.0/24206.28.174.0/24206.28.175.0/24