AS31898 138.2.240.0/21 CIDR and IP Range Summary.ASN: 31898 - Oracle CorporationHost Count: 2046Addressable IPs: 2048138.2.240.0/24138.2.241.0/24138.2.242.0/24138.2.243.0/24138.2.244.0/24138.2.245.0/24138.2.246.0/24138.2.247.0/24