AS20115 159.56.128.0/21 CIDR and IP Range Summary.ASN: 20115 - Charter CommunicationsHost Count: 2046Addressable IPs: 2048159.56.128.0/24159.56.129.0/24159.56.130.0/24159.56.131.0/24159.56.132.0/24159.56.133.0/24159.56.134.0/24159.56.135.0/24