AS17537 203.189.160.0/20 CIDR and IP Range Summary.ASN: 17537 - HKBN JOS Synergy HK LimitedHost Count: 4094Addressable IPs: 4096203.189.160.0/24203.189.161.0/24203.189.162.0/24203.189.163.0/24203.189.164.0/24203.189.165.0/24203.189.166.0/24203.189.167.0/24203.189.168.0/24203.189.169.0/24203.189.170.0/24203.189.171.0/24203.189.172.0/24203.189.173.0/24203.189.174.0/24203.189.175.0/24