Solve : Blocking ip addresses?

1.	Solve : Blocking ip addresses?
Answer» Windows XP HOME SP3. All L have running in realtime is Avast AV, Malawarebytes, and SpywareBlaster, together with the STANDARD Windows Firewall. Let's take the ip address of 218.10.19.21 for example which Mbam blocked. l can do a WHOIS on this and quite frankly, don't KNOW how they linked to my computer. So, is there a program where l can just enter ip addresses to be blocked? Thanks

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