AS3561 209.143.192.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096209.143.192.0/24209.143.193.0/24209.143.194.0/24209.143.195.0/24209.143.196.0/24209.143.197.0/24209.143.198.0/24209.143.199.0/24209.143.200.0/24209.143.201.0/24209.143.202.0/24209.143.203.0/24209.143.204.0/24209.143.205.0/24209.143.206.0/24209.143.207.0/24