AS20001 64.183.8.0/21 CIDR and IP Range Summary.ASN: 20001 - Charter Communications IncHost Count: 2046Addressable IPs: 204864.183.8.0/2464.183.9.0/2464.183.10.0/2464.183.11.0/2464.183.12.0/2464.183.13.0/2464.183.14.0/2464.183.15.0/24