Forums mIRC Help Please Help Me!

-miami.fl.us.undernet.org- *** Looking up your hostname
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-miami.fl.us.undernet.org- *** Checking Ident
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-miami.fl.us.undernet.org- *** Couldn't look up your hostname
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-miami.fl.us.undernet.org- *** No ident response
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Ping? Pong!
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Too many insecure sites in this netblock.
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Closing Link: gonshims by Miami.FL.US.Undernet.org (K-lined)
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* Disconnected

What is causing this? Can anyone help me please!!~~