AS4052 144.198.128.0/21 CIDR and IP Range Summary.ASN: 4052 - Rovi CorporationHost Count: 2046Addressable IPs: 2048144.198.128.0/24144.198.129.0/24144.198.130.0/24144.198.131.0/24144.198.132.0/24144.198.133.0/24144.198.134.0/24144.198.135.0/24