AS2559 198.217.240.0/21 CIDR and IP Range Summary.ASN: 2559 - Visa International Service AssociationHost Count: 2046Addressable IPs: 2048198.217.240.0/24198.217.241.0/24198.217.242.0/24198.217.243.0/24198.217.244.0/24198.217.245.0/24198.217.246.0/24198.217.247.0/24