AS3561 208.133.144.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096208.133.144.0/24208.133.145.0/24208.133.146.0/24208.133.147.0/24208.133.148.0/24208.133.149.0/24208.133.150.0/24208.133.151.0/24208.133.152.0/24208.133.153.0/24208.133.154.0/24208.133.155.0/24208.133.156.0/24208.133.157.0/24208.133.158.0/24208.133.159.0/24