AS3561 64.209.192.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 409664.209.192.0/2464.209.193.0/2464.209.194.0/2464.209.195.0/2464.209.196.0/2464.209.197.0/2464.209.198.0/2464.209.199.0/2464.209.200.0/2464.209.201.0/2464.209.202.0/2464.209.203.0/2464.209.204.0/2464.209.205.0/2464.209.206.0/2464.209.207.0/24