AS12389 5.143.240.0/20 CIDR and IP Range Summary.ASN: 12389 - PJSC RostelecomHost Count: 4094Addressable IPs: 40965.143.240.0/245.143.241.0/245.143.242.0/245.143.243.0/245.143.244.0/245.143.245.0/245.143.246.0/245.143.247.0/245.143.248.0/245.143.249.0/245.143.250.0/245.143.251.0/245.143.252.0/245.143.253.0/245.143.254.0/245.143.255.0/24