AS3561 208.157.128.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096208.157.128.0/24208.157.129.0/24208.157.130.0/24208.157.131.0/24208.157.132.0/24208.157.133.0/24208.157.134.0/24208.157.135.0/24208.157.136.0/24208.157.137.0/24208.157.138.0/24208.157.139.0/24208.157.140.0/24208.157.141.0/24208.157.142.0/24208.157.143.0/24