{ "description": "Event contains one or more entries part of the Special Use IPv4 Addresses CIDR blocks (RFC 5735)", "list": [ "0.0.0.0/8", "10.0.0.0/8", "127.0.0.0/8", "169.254.0.0/16", "172.16.0.0/12", "192.0.0.0/24", "192.0.2.0/24", "192.168.0.0/16", "192.88.99.0/24", "198.18.0.0/15", "198.51.100.0/24", "203.0.113.0/24", "224.0.0.0/4", "240.0.0.0/4", "255.255.255.255/32" ], "matching_attributes": [ "ip-src", "ip-dst", "domain|ip", "ip-dst|port", "ip-src|port" ], "name": "List of RFC 5735 CIDR blocks", "type": "cidr", "version": 5 }