AS20001 142.254.176.0/21 CIDR and IP Range Summary.ASN: 20001 - Charter Communications IncHost Count: 2046Addressable IPs: 2048142.254.176.0/24142.254.177.0/24142.254.178.0/24142.254.179.0/24142.254.180.0/24142.254.181.0/24142.254.182.0/24142.254.183.0/24