Action 1: Prevent propagation of incorrect routing information
check prefix list then announe to the internet for prevent hijack ipaddresses
Action 2: Prevent traffic with spoofed source IP addresses
in my netwotk DROP all Private Ip address and any public ip Address exlude Own ip address that send traffic to the internet
Action 3: Facilitate global operational communication and coordination
Check ROA And Ripe route object
Action 4: Facilitate validation of routing information on a global scale
Deny Andy Prefix donnot have route object or not valid ROA