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<h1 class="epydoc">Module ipv4</h1><p class="nomargin-top"></p>
<p>IPv4 address logic.</p>

<a name="section-Functions"></a>
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      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
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        <tr>
          <td><span class="summary-sig"><a href="netaddr.strategy.ipv4-module.html#valid_str" class="summary-sig-name">valid_str</a>(<span class="summary-sig-arg">addr</span>,
        <span class="summary-sig-arg">flags</span>=<span class="summary-sig-default">0</span>)</span><br />
      Returns:
      <code>True</code> if IPv4 address is valid, <code>False</code> 
      otherwise.</td>
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      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a href="netaddr.strategy.ipv4-module.html#str_to_int" class="summary-sig-name">str_to_int</a>(<span class="summary-sig-arg">addr</span>,
        <span class="summary-sig-arg">flags</span>=<span class="summary-sig-default">0</span>)</span><br />
      Returns:
      The equivalent unsigned integer for a given IPv4 address.</td>
          <td align="right" valign="top">
            
            
          </td>
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    </td>
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    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a href="netaddr.strategy.ipv4-module.html#int_to_str" class="summary-sig-name">int_to_str</a>(<span class="summary-sig-arg">int_val</span>,
        <span class="summary-sig-arg">dialect</span>=<span class="summary-sig-default">None</span>)</span><br />
      Returns:
      The IPv4 presentation (string) format address equivalent to the 
      unsigned integer provided.</td>
          <td align="right" valign="top">
            
            
          </td>
        </tr>
      </table>
      
    </td>
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      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a href="netaddr.strategy.ipv4-module.html#int_to_arpa" class="summary-sig-name">int_to_arpa</a>(<span class="summary-sig-arg">int_val</span>)</span><br />
      Returns:
      The reverse DNS lookup for an IPv4 address in network byte order 
      integer form.</td>
          <td align="right" valign="top">
            
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a href="netaddr.strategy.ipv4-module.html#int_to_packed" class="summary-sig-name">int_to_packed</a>(<span class="summary-sig-arg">int_val</span>)</span><br />
      Returns:
      a packed string that is equivalent to value represented by an 
      unsigned integer.</td>
          <td align="right" valign="top">
            
            
          </td>
        </tr>
      </table>
      
    </td>
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      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a href="netaddr.strategy.ipv4-module.html#packed_to_int" class="summary-sig-name">packed_to_int</a>(<span class="summary-sig-arg">packed_int</span>)</span><br />
      Returns:
      An unsigned integer equivalent to value of network address 
      represented by packed binary string.</td>
          <td align="right" valign="top">
            
            
          </td>
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    </td>
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      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="valid_words"></a><span class="summary-sig-name">valid_words</span>(<span class="summary-sig-arg">words</span>)</span></td>
          <td align="right" valign="top">
            
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a href="netaddr.strategy.ipv4-module.html#int_to_words" class="summary-sig-name">int_to_words</a>(<span class="summary-sig-arg">int_val</span>)</span><br />
      Returns:
      An integer word (octet) sequence that is equivalent to value 
      represented by an unsigned integer.</td>
          <td align="right" valign="top">
            
            
          </td>
        </tr>
      </table>
      
    </td>
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      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a href="netaddr.strategy.ipv4-module.html#words_to_int" class="summary-sig-name">words_to_int</a>(<span class="summary-sig-arg">words</span>)</span><br />
      Returns:
      An unsigned integer that is equivalent to value represented by word 
      (octet) sequence.</td>
          <td align="right" valign="top">
            
            
          </td>
        </tr>
      </table>
      
    </td>
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      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="valid_bits"></a><span class="summary-sig-name">valid_bits</span>(<span class="summary-sig-arg">bits</span>)</span></td>
          <td align="right" valign="top">
            
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="bits_to_int"></a><span class="summary-sig-name">bits_to_int</span>(<span class="summary-sig-arg">bits</span>)</span></td>
          <td align="right" valign="top">
            
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="int_to_bits"></a><span class="summary-sig-name">int_to_bits</span>(<span class="summary-sig-arg">int_val</span>,
        <span class="summary-sig-arg">word_sep</span>=<span class="summary-sig-default">None</span>)</span></td>
          <td align="right" valign="top">
            
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="valid_bin"></a><span class="summary-sig-name">valid_bin</span>(<span class="summary-sig-arg">bin_val</span>)</span></td>
          <td align="right" valign="top">
            
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="int_to_bin"></a><span class="summary-sig-name">int_to_bin</span>(<span class="summary-sig-arg">int_val</span>)</span></td>
          <td align="right" valign="top">
            
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a name="bin_to_int"></a><span class="summary-sig-name">bin_to_int</span>(<span class="summary-sig-arg">bin_val</span>)</span></td>
          <td align="right" valign="top">
            
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td><span class="summary-sig"><a href="netaddr.strategy.ipv4-module.html#expand_partial_address" class="summary-sig-name">expand_partial_address</a>(<span class="summary-sig-arg">addr</span>)</span><br />
      Expands a partial IPv4 address into a full 4-octet version.</td>
          <td align="right" valign="top">
            
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
</table>

<a name="section-Variables"></a>
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       cellspacing="0" width="100%" bgcolor="white">
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  <td colspan="2" class="table-header">
    <table border="0" cellpadding="0" cellspacing="0" width="100%">
      <tr valign="top">
        <td align="left"><span class="table-header">Variables</span></td>
        <td align="right" valign="top"
         ><span class="options">[<a href="#section-Variables"
         class="privatelink" onclick="toggle_private();"
         >hide private</a>]</span></td>
      </tr>
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  </td>
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    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a name="width"></a><span class="summary-name">width</span> = <code title="32">32</code>
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a name="word_size"></a><span class="summary-name">word_size</span> = <code title="8">8</code>
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a name="word_fmt"></a><span class="summary-name">word_fmt</span> = <code title="'%d'"><code class="variable-quote">'</code><code class="variable-string">%d</code><code class="variable-quote">'</code></code>
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a name="word_sep"></a><span class="summary-name">word_sep</span> = <code title="'.'"><code class="variable-quote">'</code><code class="variable-string">.</code><code class="variable-quote">'</code></code>
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a name="family"></a><span class="summary-name">family</span> = <code title="2">2</code>
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a name="family_name"></a><span class="summary-name">family_name</span> = <code title="'IPv4'"><code class="variable-quote">'</code><code class="variable-string">IPv4</code><code class="variable-quote">'</code></code>
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a name="version"></a><span class="summary-name">version</span> = <code title="4">4</code>
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a name="word_base"></a><span class="summary-name">word_base</span> = <code title="10">10</code>
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a name="max_int"></a><span class="summary-name">max_int</span> = <code title="4294967295">4294967295</code>
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a name="num_words"></a><span class="summary-name">num_words</span> = <code title="4">4</code>
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a name="max_word"></a><span class="summary-name">max_word</span> = <code title="255">255</code>
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a href="netaddr.strategy.ipv4-module.html#prefix_to_netmask" class="summary-name">prefix_to_netmask</a> = <code title="{0: 0,
 1: 2147483648,
 2: 3221225472,
 3: 3758096384,
 4: 4026531840,
 5: 4160749568,
 6: 4227858432,
 7: 4261412864,
..."><code class="variable-group">{</code>0<code class="variable-op">: </code>0<code class="variable-op">, </code>1<code class="variable-op">: </code>2147483648<code class="variable-op">, </code>2<code class="variable-op">: </code>3221225472<code class="variable-op">, </code>3<code class="variable-op">: </code>37<code class="variable-ellipsis">...</code></code>
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a href="netaddr.strategy.ipv4-module.html#netmask_to_prefix" class="summary-name">netmask_to_prefix</a> = <code title="{0: 0,
 2147483648: 1,
 3221225472: 2,
 3758096384: 3,
 4026531840: 4,
 4160749568: 5,
 4227858432: 6,
 4261412864: 7,
..."><code class="variable-group">{</code>0<code class="variable-op">: </code>0<code class="variable-op">, </code>2147483648<code class="variable-op">: </code>1<code class="variable-op">, </code>3221225472<code class="variable-op">: </code>2<code class="variable-op">, </code>37580<code class="variable-ellipsis">...</code></code>
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a href="netaddr.strategy.ipv4-module.html#prefix_to_hostmask" class="summary-name">prefix_to_hostmask</a> = <code title="{0: 4294967295,
 1: 2147483647,
 2: 1073741823,
 3: 536870911,
 4: 268435455,
 5: 134217727,
 6: 67108863,
 7: 33554431,
..."><code class="variable-group">{</code>0<code class="variable-op">: </code>4294967295<code class="variable-op">, </code>1<code class="variable-op">: </code>2147483647<code class="variable-op">, </code>2<code class="variable-op">: </code>1073741<code class="variable-ellipsis">...</code></code>
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a href="netaddr.strategy.ipv4-module.html#hostmask_to_prefix" class="summary-name">hostmask_to_prefix</a> = <code title="{0: 32,
 1: 31,
 3: 30,
 7: 29,
 15: 28,
 31: 27,
 63: 26,
 127: 25,
..."><code class="variable-group">{</code>0<code class="variable-op">: </code>32<code class="variable-op">, </code>1<code class="variable-op">: </code>31<code class="variable-op">, </code>3<code class="variable-op">: </code>30<code class="variable-op">, </code>7<code class="variable-op">: </code>29<code class="variable-op">, </code>15<code class="variable-op">: </code>28<code class="variable-op">, </code>31<code class="variable-op">: </code><code class="variable-ellipsis">...</code></code>
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a name="__package__"></a><span class="summary-name">__package__</span> = <code title="'netaddr.strategy'"><code class="variable-quote">'</code><code class="variable-string">netaddr.strategy</code><code class="variable-quote">'</code></code>
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
        <a name="i"></a><span class="summary-name">i</span> = <code title="32">32</code>
    </td>
  </tr>
</table>

<a name="section-FunctionDetails"></a>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
  <td colspan="2" class="table-header">
    <table border="0" cellpadding="0" cellspacing="0" width="100%">
      <tr valign="top">
        <td align="left"><span class="table-header">Function Details</span></td>
        <td align="right" valign="top"
         ><span class="options">[<a href="#section-FunctionDetails"
         class="privatelink" onclick="toggle_private();"
         >hide private</a>]</span></td>
      </tr>
    </table>
  </td>
</tr>
</table>
<a name="valid_str"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <h3 class="epydoc"><span class="sig"><span class="sig-name">valid_str</span>(<span class="sig-arg">addr</span>,
        <span class="sig-arg">flags</span>=<span class="sig-default">0</span>)</span>
  </h3>
  </td><td align="right" valign="top"
    >&nbsp;
    </td>
  </tr></table>
  
  
  <dl class="fields">
    <dt>Parameters:</dt>
    <dd><ul class="nomargin-top">
        <li><strong class="pname"><code>addr</code></strong> - An IPv4 address in presentation (string) format.</li>
        <li><strong class="pname"><code>flags</code></strong> - decides which rules are applied to the interpretation of the addr
          value. Supported constants are INET_PTON and ZEROFILL. See the 
          netaddr.core docs for details.</li>
    </ul></dd>
    <dt>Returns:</dt>
        <dd><code>True</code> if IPv4 address is valid, <code>False</code> 
          otherwise.</dd>
  </dl>
</td></tr></table>
</div>
<a name="str_to_int"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <h3 class="epydoc"><span class="sig"><span class="sig-name">str_to_int</span>(<span class="sig-arg">addr</span>,
        <span class="sig-arg">flags</span>=<span class="sig-default">0</span>)</span>
  </h3>
  </td><td align="right" valign="top"
    >&nbsp;
    </td>
  </tr></table>
  
  
  <dl class="fields">
    <dt>Parameters:</dt>
    <dd><ul class="nomargin-top">
        <li><strong class="pname"><code>addr</code></strong> - An IPv4 dotted decimal address in string form.</li>
        <li><strong class="pname"><code>flags</code></strong> - decides which rules are applied to the interpretation of the addr
          value. Supported constants are INET_PTON and ZEROFILL. See the 
          netaddr.core docs for details.</li>
    </ul></dd>
    <dt>Returns:</dt>
        <dd>The equivalent unsigned integer for a given IPv4 address.</dd>
  </dl>
</td></tr></table>
</div>
<a name="int_to_str"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <h3 class="epydoc"><span class="sig"><span class="sig-name">int_to_str</span>(<span class="sig-arg">int_val</span>,
        <span class="sig-arg">dialect</span>=<span class="sig-default">None</span>)</span>
  </h3>
  </td><td align="right" valign="top"
    >&nbsp;
    </td>
  </tr></table>
  
  
  <dl class="fields">
    <dt>Parameters:</dt>
    <dd><ul class="nomargin-top">
        <li><strong class="pname"><code>int_val</code></strong> - An unsigned integer.</li>
        <li><strong class="pname"><code>dialect</code></strong> - (unused) Any value passed in is ignored.</li>
    </ul></dd>
    <dt>Returns:</dt>
        <dd>The IPv4 presentation (string) format address equivalent to the 
          unsigned integer provided.</dd>
  </dl>
</td></tr></table>
</div>
<a name="int_to_arpa"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <h3 class="epydoc"><span class="sig"><span class="sig-name">int_to_arpa</span>(<span class="sig-arg">int_val</span>)</span>
  </h3>
  </td><td align="right" valign="top"
    >&nbsp;
    </td>
  </tr></table>
  
  
  <dl class="fields">
    <dt>Parameters:</dt>
    <dd><ul class="nomargin-top">
        <li><strong class="pname"><code>int_val</code></strong> - An unsigned integer.</li>
    </ul></dd>
    <dt>Returns:</dt>
        <dd>The reverse DNS lookup for an IPv4 address in network byte order 
          integer form.</dd>
  </dl>
</td></tr></table>
</div>
<a name="int_to_packed"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <h3 class="epydoc"><span class="sig"><span class="sig-name">int_to_packed</span>(<span class="sig-arg">int_val</span>)</span>
  </h3>
  </td><td align="right" valign="top"
    >&nbsp;
    </td>
  </tr></table>
  
  
  <dl class="fields">
    <dt>Parameters:</dt>
    <dd><ul class="nomargin-top">
        <li><strong class="pname"><code>int_val</code></strong> - the integer to be packed.</li>
    </ul></dd>
    <dt>Returns:</dt>
        <dd>a packed string that is equivalent to value represented by an 
          unsigned integer.</dd>
  </dl>
</td></tr></table>
</div>
<a name="packed_to_int"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <h3 class="epydoc"><span class="sig"><span class="sig-name">packed_to_int</span>(<span class="sig-arg">packed_int</span>)</span>
  </h3>
  </td><td align="right" valign="top"
    >&nbsp;
    </td>
  </tr></table>
  
  
  <dl class="fields">
    <dt>Parameters:</dt>
    <dd><ul class="nomargin-top">
        <li><strong class="pname"><code>packed_int</code></strong> - a packed string containing an unsigned integer. It is assumed 
          that string is packed in network byte order.</li>
    </ul></dd>
    <dt>Returns:</dt>
        <dd>An unsigned integer equivalent to value of network address 
          represented by packed binary string.</dd>
  </dl>
</td></tr></table>
</div>
<a name="int_to_words"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <h3 class="epydoc"><span class="sig"><span class="sig-name">int_to_words</span>(<span class="sig-arg">int_val</span>)</span>
  </h3>
  </td><td align="right" valign="top"
    >&nbsp;
    </td>
  </tr></table>
  
  
  <dl class="fields">
    <dt>Parameters:</dt>
    <dd><ul class="nomargin-top">
        <li><strong class="pname"><code>int_val</code></strong> - An unsigned integer.</li>
    </ul></dd>
    <dt>Returns:</dt>
        <dd>An integer word (octet) sequence that is equivalent to value 
          represented by an unsigned integer.</dd>
  </dl>
</td></tr></table>
</div>
<a name="words_to_int"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <h3 class="epydoc"><span class="sig"><span class="sig-name">words_to_int</span>(<span class="sig-arg">words</span>)</span>
  </h3>
  </td><td align="right" valign="top"
    >&nbsp;
    </td>
  </tr></table>
  
  
  <dl class="fields">
    <dt>Parameters:</dt>
    <dd><ul class="nomargin-top">
        <li><strong class="pname"><code>words</code></strong> - A list or tuple containing integer octets.</li>
    </ul></dd>
    <dt>Returns:</dt>
        <dd>An unsigned integer that is equivalent to value represented by 
          word (octet) sequence.</dd>
  </dl>
</td></tr></table>
</div>
<a name="expand_partial_address"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <h3 class="epydoc"><span class="sig"><span class="sig-name">expand_partial_address</span>(<span class="sig-arg">addr</span>)</span>
  </h3>
  </td><td align="right" valign="top"
    >&nbsp;
    </td>
  </tr></table>
  
  <p>Expands a partial IPv4 address into a full 4-octet version.</p>
  <dl class="fields">
    <dt>Parameters:</dt>
    <dd><ul class="nomargin-top">
        <li><strong class="pname"><code>addr</code></strong> - an partial or abbreviated IPv4 address</li>
    </ul></dd>
    <dt>Returns:</dt>
        <dd>an expanded IP address in presentation format (x.x.x.x)</dd>
  </dl>
</td></tr></table>
</div>
<br />

<a name="section-VariablesDetails"></a>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
  <td colspan="2" class="table-header">
    <table border="0" cellpadding="0" cellspacing="0" width="100%">
      <tr valign="top">
        <td align="left"><span class="table-header">Variables Details</span></td>
        <td align="right" valign="top"
         ><span class="options">[<a href="#section-VariablesDetails"
         class="privatelink" onclick="toggle_private();"
         >hide private</a>]</span></td>
      </tr>
    </table>
  </td>
</tr>
</table>
<a name="prefix_to_netmask"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <h3 class="epydoc">prefix_to_netmask</h3>
  
  <dl class="fields">
  </dl>
  <dl class="fields">
    <dt>Value:</dt>
      <dd><table><tr><td><pre class="variable">
<code class="variable-group">{</code>0<code class="variable-op">: </code>0<code class="variable-op">,</code>
 1<code class="variable-op">: </code>2147483648<code class="variable-op">,</code>
 2<code class="variable-op">: </code>3221225472<code class="variable-op">,</code>
 3<code class="variable-op">: </code>3758096384<code class="variable-op">,</code>
 4<code class="variable-op">: </code>4026531840<code class="variable-op">,</code>
 5<code class="variable-op">: </code>4160749568<code class="variable-op">,</code>
 6<code class="variable-op">: </code>4227858432<code class="variable-op">,</code>
 7<code class="variable-op">: </code>4261412864<code class="variable-op">,</code>
<code class="variable-ellipsis">...</code>
</pre></td></tr></table>
</dd>
  </dl>
</td></tr></table>
</div>
<a name="netmask_to_prefix"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <h3 class="epydoc">netmask_to_prefix</h3>
  
  <dl class="fields">
  </dl>
  <dl class="fields">
    <dt>Value:</dt>
      <dd><table><tr><td><pre class="variable">
<code class="variable-group">{</code>0<code class="variable-op">: </code>0<code class="variable-op">,</code>
 2147483648<code class="variable-op">: </code>1<code class="variable-op">,</code>
 3221225472<code class="variable-op">: </code>2<code class="variable-op">,</code>
 3758096384<code class="variable-op">: </code>3<code class="variable-op">,</code>
 4026531840<code class="variable-op">: </code>4<code class="variable-op">,</code>
 4160749568<code class="variable-op">: </code>5<code class="variable-op">,</code>
 4227858432<code class="variable-op">: </code>6<code class="variable-op">,</code>
 4261412864<code class="variable-op">: </code>7<code class="variable-op">,</code>
<code class="variable-ellipsis">...</code>
</pre></td></tr></table>
</dd>
  </dl>
</td></tr></table>
</div>
<a name="prefix_to_hostmask"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <h3 class="epydoc">prefix_to_hostmask</h3>
  
  <dl class="fields">
  </dl>
  <dl class="fields">
    <dt>Value:</dt>
      <dd><table><tr><td><pre class="variable">
<code class="variable-group">{</code>0<code class="variable-op">: </code>4294967295<code class="variable-op">,</code>
 1<code class="variable-op">: </code>2147483647<code class="variable-op">,</code>
 2<code class="variable-op">: </code>1073741823<code class="variable-op">,</code>
 3<code class="variable-op">: </code>536870911<code class="variable-op">,</code>
 4<code class="variable-op">: </code>268435455<code class="variable-op">,</code>
 5<code class="variable-op">: </code>134217727<code class="variable-op">,</code>
 6<code class="variable-op">: </code>67108863<code class="variable-op">,</code>
 7<code class="variable-op">: </code>33554431<code class="variable-op">,</code>
<code class="variable-ellipsis">...</code>
</pre></td></tr></table>
</dd>
  </dl>
</td></tr></table>
</div>
<a name="hostmask_to_prefix"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <h3 class="epydoc">hostmask_to_prefix</h3>
  
  <dl class="fields">
  </dl>
  <dl class="fields">
    <dt>Value:</dt>
      <dd><table><tr><td><pre class="variable">
<code class="variable-group">{</code>0<code class="variable-op">: </code>32<code class="variable-op">,</code>
 1<code class="variable-op">: </code>31<code class="variable-op">,</code>
 3<code class="variable-op">: </code>30<code class="variable-op">,</code>
 7<code class="variable-op">: </code>29<code class="variable-op">,</code>
 15<code class="variable-op">: </code>28<code class="variable-op">,</code>
 31<code class="variable-op">: </code>27<code class="variable-op">,</code>
 63<code class="variable-op">: </code>26<code class="variable-op">,</code>
 127<code class="variable-op">: </code>25<code class="variable-op">,</code>
<code class="variable-ellipsis">...</code>
</pre></td></tr></table>
</dd>
  </dl>
</td></tr></table>
</div>
<br />

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