AS20001 76.81.160.0/20 CIDR and IP Range Summary.ASN: 20001 - Charter Communications IncHost Count: 4094Addressable IPs: 409676.81.160.0/2476.81.161.0/2476.81.162.0/2476.81.163.0/2476.81.164.0/2476.81.165.0/2476.81.166.0/2476.81.167.0/2476.81.168.0/2476.81.169.0/2476.81.170.0/2476.81.171.0/2476.81.172.0/2476.81.173.0/2476.81.174.0/2476.81.175.0/24