AS3561 209.67.144.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096209.67.144.0/24209.67.145.0/24209.67.146.0/24209.67.147.0/24209.67.148.0/24209.67.149.0/24209.67.150.0/24209.67.151.0/24209.67.152.0/24209.67.153.0/24209.67.154.0/24209.67.155.0/24209.67.156.0/24209.67.157.0/24209.67.158.0/24209.67.159.0/24