AS56981 88.204.120.0/21 CIDR and IP Range Summary.ASN: 56981 - JSC ER-Telecom HoldingHost Count: 2046Addressable IPs: 204888.204.120.0/2488.204.121.0/2488.204.122.0/2488.204.123.0/2488.204.124.0/2488.204.125.0/2488.204.126.0/2488.204.127.0/24