AS3561 206.29.128.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096206.29.128.0/24206.29.129.0/24206.29.130.0/24206.29.131.0/24206.29.132.0/24206.29.133.0/24206.29.134.0/24206.29.135.0/24206.29.136.0/24206.29.137.0/24206.29.138.0/24206.29.139.0/24206.29.140.0/24206.29.141.0/24206.29.142.0/24206.29.143.0/24