AS209 74.5.216.0/21 CIDR and IP Range Summary.ASN: 209 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 204874.5.216.0/2474.5.217.0/2474.5.218.0/2474.5.219.0/2474.5.220.0/2474.5.221.0/2474.5.222.0/2474.5.223.0/24