AS4052 144.198.192.0/21 CIDR and IP Range Summary.ASN: 4052 - Rovi CorporationHost Count: 2046Addressable IPs: 2048144.198.192.0/24144.198.193.0/24144.198.194.0/24144.198.195.0/24144.198.196.0/24144.198.197.0/24144.198.198.0/24144.198.199.0/24