AS39138 83.243.0.0/21 CIDR and IP Range Summary.ASN: 39138 - rrbone GmbHHost Count: 2046Addressable IPs: 204883.243.0.0/2483.243.1.0/2483.243.2.0/2483.243.3.0/2483.243.4.0/2483.243.5.0/2483.243.6.0/2483.243.7.0/24