AS3561 165.193.224.0/21 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 2048165.193.224.0/24165.193.225.0/24165.193.226.0/24165.193.227.0/24165.193.228.0/24165.193.229.0/24165.193.230.0/24165.193.231.0/24