AS15704 206.204.128.0/20 CIDR and IP Range Summary.ASN: 15704 - Xtra Telecom S.A.Host Count: 4094Addressable IPs: 4096206.204.128.0/24206.204.129.0/24206.204.130.0/24206.204.131.0/24206.204.132.0/24206.204.133.0/24206.204.134.0/24206.204.135.0/24206.204.136.0/24206.204.137.0/24206.204.138.0/24206.204.139.0/24206.204.140.0/24206.204.141.0/24206.204.142.0/24206.204.143.0/24