AS12389 91.147.48.0/20 CIDR and IP Range Summary.ASN: 12389 - PJSC RostelecomHost Count: 4094Addressable IPs: 409691.147.48.0/2491.147.49.0/2491.147.50.0/2491.147.51.0/2491.147.52.0/2491.147.53.0/2491.147.54.0/2491.147.55.0/2491.147.56.0/2491.147.57.0/2491.147.58.0/2491.147.59.0/2491.147.60.0/2491.147.61.0/2491.147.62.0/2491.147.63.0/24