AS3561 208.153.128.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096208.153.128.0/24208.153.129.0/24208.153.130.0/24208.153.131.0/24208.153.132.0/24208.153.133.0/24208.153.134.0/24208.153.135.0/24208.153.136.0/24208.153.137.0/24208.153.138.0/24208.153.139.0/24208.153.140.0/24208.153.141.0/24208.153.142.0/24208.153.143.0/24