AS18431 203.6.160.0/21 CIDR and IP Range Summary.ASN: 18431 - Department of Foreign Affairs and TradeHost Count: 2046Addressable IPs: 2048203.6.160.0/24203.6.161.0/24203.6.162.0/24203.6.163.0/24203.6.164.0/24203.6.165.0/24203.6.166.0/24203.6.167.0/24