AS3561 64.240.160.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 409664.240.160.0/2464.240.161.0/2464.240.162.0/2464.240.163.0/2464.240.164.0/2464.240.165.0/2464.240.166.0/2464.240.167.0/2464.240.168.0/2464.240.169.0/2464.240.170.0/2464.240.171.0/2464.240.172.0/2464.240.173.0/2464.240.174.0/2464.240.175.0/24