AS21889 198.77.224.0/21 CIDR and IP Range Summary.ASN: 21889 - Rapid Systems CorporationHost Count: 2046Addressable IPs: 2048198.77.224.0/24198.77.225.0/24198.77.226.0/24198.77.227.0/24198.77.228.0/24198.77.229.0/24198.77.230.0/24198.77.231.0/24