AS3561 64.243.128.0/18 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 16382Addressable IPs: 1638464.243.128.0/2464.243.129.0/2464.243.130.0/2464.243.131.0/2464.243.132.0/2464.243.133.0/2464.243.134.0/2464.243.135.0/2464.243.136.0/2464.243.137.0/2464.243.138.0/2464.243.139.0/2464.243.140.0/2464.243.141.0/2464.243.142.0/2464.243.143.0/2464.243.144.0/2464.243.145.0/2464.243.146.0/2464.243.147.0/2464.243.148.0/2464.243.149.0/2464.243.150.0/2464.243.151.0/2464.243.152.0/2464.243.153.0/2464.243.154.0/2464.243.155.0/2464.243.156.0/2464.243.157.0/2464.243.158.0/2464.243.159.0/2464.243.160.0/2464.243.161.0/2464.243.162.0/2464.243.163.0/2464.243.164.0/2464.243.165.0/2464.243.166.0/2464.243.167.0/2464.243.168.0/2464.243.169.0/2464.243.170.0/2464.243.171.0/2464.243.172.0/2464.243.173.0/2464.243.174.0/2464.243.175.0/2464.243.176.0/2464.243.177.0/2464.243.178.0/2464.243.179.0/2464.243.180.0/2464.243.181.0/2464.243.182.0/2464.243.183.0/2464.243.184.0/2464.243.185.0/2464.243.186.0/2464.243.187.0/2464.243.188.0/2464.243.189.0/2464.243.190.0/2464.243.191.0/24