There are several threads on how to unban your console, so to clear up this congestion, I'll link you to all these so you can figure it out for yourselves, rather than creating useless threads asking how to fix it, or just to tell us that you got banned.
You go on Black Ops 2, YEAH...YOU GET BANNED. We know.
STAY OFF Black Ops 2. You will get banned within a couple of days, or hours.
Go here to have your console ID turned into an unban package.
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Go here to learn how to get your console ID from another legit PS3, if you have any.
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Go here to do the same as above, but with a different alternative.
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Go here to check and see if Deno updates it, and you can play online for about a day and a half until Sony bans it.
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Uncomfortable with these? Here's an EVEN EASIER way to change your PSID or console ID.
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Now I have cleared up the congestion, and the confusion, and the random outbursts, and cries about being banned. These are your solutions. Either figure them out for yourselves, or DO SOMETHING ELSE,
BUT STOP MAKING THREADS ABOUT HOW YOU GOT BANNED, AND WHAT TO DO NEXT.