AS15704 85.31.128.0/21 CIDR and IP Range Summary.ASN: 15704 - Xtra Telecom S.A.Host Count: 2046Addressable IPs: 204885.31.128.0/2485.31.129.0/2485.31.130.0/2485.31.131.0/2485.31.132.0/2485.31.133.0/2485.31.134.0/2485.31.135.0/24