AS3561 208.50.160.0/21 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 2048208.50.160.0/24208.50.161.0/24208.50.162.0/24208.50.163.0/24208.50.164.0/24208.50.165.0/24208.50.166.0/24208.50.167.0/24