AS33363 72.31.16.0/21 CIDR and IP Range Summary.ASN: 33363 - Charter Communications IncHost Count: 2046Addressable IPs: 204872.31.16.0/2472.31.17.0/2472.31.18.0/2472.31.19.0/2472.31.20.0/2472.31.21.0/2472.31.22.0/2472.31.23.0/24