AS3561 64.240.240.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 409664.240.240.0/2464.240.241.0/2464.240.242.0/2464.240.243.0/2464.240.244.0/2464.240.245.0/2464.240.246.0/2464.240.247.0/2464.240.248.0/2464.240.249.0/2464.240.250.0/2464.240.251.0/2464.240.252.0/2464.240.253.0/2464.240.254.0/2464.240.255.0/24