AS20115 66.189.136.0/21 CIDR and IP Range Summary.ASN: 20115 - Charter CommunicationsHost Count: 2046Addressable IPs: 204866.189.136.0/2466.189.137.0/2466.189.138.0/2466.189.139.0/2466.189.140.0/2466.189.141.0/2466.189.142.0/2466.189.143.0/24