{ "description": "Event contains one or more entries part of the private network CIDR blocks (RFC 1918)", "list": [ "10.0.0.0/8", "172.16.0.0/12", "192.168.0.0/16" ], "matching_attributes": [ "ip-src", "ip-dst", "domain|ip", "ip-dst|port", "ip-src|port" ], "name": "List of RFC 1918 CIDR blocks", "type": "cidr", "version": 5 }