AS25520 217.15.16.0/20 CIDR and IP Range Summary.ASN: 25520 - JSC Futures TelecomHost Count: 4094Addressable IPs: 4096217.15.16.0/24217.15.17.0/24217.15.18.0/24217.15.19.0/24217.15.20.0/24217.15.21.0/24217.15.22.0/24217.15.23.0/24217.15.24.0/24217.15.25.0/24217.15.26.0/24217.15.27.0/24217.15.28.0/24217.15.29.0/24217.15.30.0/24217.15.31.0/24