AS3561 66.101.128.0/21 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 204866.101.128.0/2466.101.129.0/2466.101.130.0/2466.101.131.0/2466.101.132.0/2466.101.133.0/2466.101.134.0/2466.101.135.0/24