AS3456 142.254.240.0/20 CIDR and IP Range Summary.ASN: 3456 - Charter Communications IncHost Count: 4094Addressable IPs: 4096142.254.240.0/24142.254.241.0/24142.254.242.0/24142.254.243.0/24142.254.244.0/24142.254.245.0/24142.254.246.0/24142.254.247.0/24142.254.248.0/24142.254.249.0/24142.254.250.0/24142.254.251.0/24142.254.252.0/24142.254.253.0/24142.254.254.0/24142.254.255.0/24