AS42907 77.245.224.0/20 CIDR and IP Range Summary.ASN: 42907 - Research Institute of Petroleum IndustryHost Count: 4094Addressable IPs: 409677.245.224.0/2477.245.225.0/2477.245.226.0/2477.245.227.0/2477.245.228.0/2477.245.229.0/2477.245.230.0/2477.245.231.0/2477.245.232.0/2477.245.233.0/2477.245.234.0/2477.245.235.0/2477.245.236.0/2477.245.237.0/2477.245.238.0/2477.245.239.0/24