AS18450 216.18.216.0/21 CIDR and IP Range Summary.ASN: 18450 - WebNX Inc.Host Count: 2046Addressable IPs: 2048216.18.216.0/24216.18.217.0/24216.18.218.0/24216.18.219.0/24216.18.220.0/24216.18.221.0/24216.18.222.0/24216.18.223.0/24