AS6939 216.218.216.0/21 CIDR and IP Range Summary.ASN: 6939 - Hurricane Electric LLCHost Count: 2046Addressable IPs: 2048216.218.216.0/24216.218.217.0/24216.218.218.0/24216.218.219.0/24216.218.220.0/24216.218.221.0/24216.218.222.0/24216.218.223.0/24