{ "description": "Event contains one or more entries part of the RFC 6598 CIDR blocks - Special Use IPv4 Addresses", "list": [ "100.64.0.0/10" ], "matching_attributes": [ "ip-src", "ip-dst", "domain|ip" ], "name": "List of RFC 6598 CIDR blocks", "type": "cidr", "version": 3 }