AS6128 148.77.40.0/21 CIDR and IP Range Summary.ASN: 6128 - CableVision Systems Corp.Host Count: 2046Addressable IPs: 2048148.77.40.0/24148.77.41.0/24148.77.42.0/24148.77.43.0/24148.77.44.0/24148.77.45.0/24148.77.46.0/24148.77.47.0/24