AS51645 109.163.216.0/21 CIDR and IP Range Summary.ASN: 51645 - JSC ER-Telecom HoldingHost Count: 2046Addressable IPs: 2048109.163.216.0/24109.163.217.0/24109.163.218.0/24109.163.219.0/24109.163.220.0/24109.163.221.0/24109.163.222.0/24109.163.223.0/24