AS8331 80.90.248.0/21 CIDR and IP Range Summary.ASN: 8331 - JSC ER-Telecom HoldingHost Count: 2046Addressable IPs: 204880.90.248.0/2480.90.249.0/2480.90.250.0/2480.90.251.0/2480.90.252.0/2480.90.253.0/2480.90.254.0/2480.90.255.0/24