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    <a class="moz-txt-link-freetext" href="http://en.wikipedia.org/wiki/IP_address#IPv4_address_exhaustion">http://en.wikipedia.org/wiki/IP_address#IPv4_address_exhaustion</a>
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      <h3><span id="IPv4_address_exhaustion" class="mw-headline">IPv4
          address exhaustion</span></h3>
      <div class="rellink relarticle mainarticle">Main article: <a
          href="http://en.wikipedia.org/wiki/IPv4_address_exhaustion"
          title="IPv4 address exhaustion">IPv4 address exhaustion</a></div>
      <p>The IP version 4 address space is rapidly nearing exhaustion of
        available and assignable address blocks. As of December 2010<sup
          style="display: none;" class="plainlinks noprint asof-tag
          update"><a class="external text"
href="http://en.wikipedia.org/w/index.php?title=IP_address&amp;action=edit"
            rel="nofollow">[update]</a></sup> predictions of an
        exhaustion date for the unallocated IANA pool converge to <font
          color="#cc0000"><b>March, 2011</b></font>.<sup id="cite_ref-4"
          class="reference"><a><span>[</span>5<span>]</span></a></sup></p>
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