AS209 63.228.216.0/21 CIDR and IP Range Summary.ASN: 209 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 204863.228.216.0/2463.228.217.0/2463.228.218.0/2463.228.219.0/2463.228.220.0/2463.228.221.0/2463.228.222.0/2463.228.223.0/24