AS12389 77.51.96.0/21 CIDR and IP Range Summary.ASN: 12389 - PJSC RostelecomHost Count: 2046Addressable IPs: 204877.51.96.0/2477.51.97.0/2477.51.98.0/2477.51.99.0/2477.51.100.0/2477.51.101.0/2477.51.102.0/2477.51.103.0/24