AS15704 83.138.40.0/21 CIDR and IP Range Summary.ASN: 15704 - Xtra Telecom S.A.Host Count: 2046Addressable IPs: 204883.138.40.0/2483.138.41.0/2483.138.42.0/2483.138.43.0/2483.138.44.0/2483.138.45.0/2483.138.46.0/2483.138.47.0/24