AS57378 5.166.232.0/21 CIDR and IP Range Summary.ASN: 57378 - JSC ER-Telecom HoldingHost Count: 2046Addressable IPs: 20485.166.232.0/245.166.233.0/245.166.234.0/245.166.235.0/245.166.236.0/245.166.237.0/245.166.238.0/245.166.239.0/24