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<title>Get the Internet Service Provider (ISP) name</title>
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<h1 class="refname">geoip_isp_by_name</h1>
<p class="verinfo">(PECL geoip >= 1.0.2)</p><p class="refpurpose"><span class="refname">geoip_isp_by_name</span> — <span class="dc-title">Get the Internet Service Provider (ISP) name</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.geoip-isp-by-name-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">string</span> <span class="methodname"><strong>geoip_isp_by_name</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$hostname</code></span>
)</div>
<p class="para rdfs-comment">
The <span class="function"><strong>geoip_isp_by_name()</strong></span> function will return the name of
the Internet Service Provider (ISP) that an IP is assigned to.
</p>
<p class="para">
This function is currently only available to users who have bought a commercial
GeoIP ISP Edition. A warning will be issued if the proper database cannot be
located.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.geoip-isp-by-name-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">hostname</code></em></span>
<dd>
<p class="para">
The hostname or IP address.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.geoip-isp-by-name-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the ISP name on success, or <strong><code>FALSE</code></strong> if the address
cannot be found in the database.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.geoip-isp-by-name-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-3739">
<p><strong>Example #1 A <span class="function"><strong>geoip_isp_by_name()</strong></span> example</strong></p>
<div class="example-contents"><p>
This will print the ISP name of host example.com.
</p></div>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$isp </span><span style="color: #007700">= </span><span style="color: #0000BB">geoip_isp_by_name</span><span style="color: #007700">(</span><span style="color: #DD0000">'www.example.com'</span><span style="color: #007700">);<br />if (</span><span style="color: #0000BB">$isp</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">'This host IP is from ISP: ' </span><span style="color: #007700">. </span><span style="color: #0000BB">$isp</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
This host IP is from ISP: ICANN c/o Internet Assigned Numbers Authority
</pre></div>
</div>
</div>
</p>
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